Preface |
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xxiv | |
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Part One Genes, Chromosomes, and Heredity |
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1 | (16) |
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From Mendel to DNA in Less Than a Century |
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2 | (3) |
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Mendel's Work on Transmission of Traits |
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2 | (1) |
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The Chromosome Theory of Inheritance: Uniting Mendel and Meiosis |
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3 | (1) |
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4 | (1) |
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The Search for the Chemical Nature of Genes: DNA or Protein? |
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4 | (1) |
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Discovery of the Double Helix Launched the Recombinant DNA Era |
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5 | (2) |
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The Structure of DNA and RNA |
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5 | (1) |
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Gene Expression: From DNA to Phenotype |
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5 | (1) |
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Proteins and Biological Function |
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6 | (1) |
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Linking Genotype to Phenotype: Sickle-Cell Anemia |
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6 | (1) |
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Genomics Grew Out of Recombinant DNA Technology |
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7 | (2) |
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Making Recombinant DNA Molecules and Cloning DNA |
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7 | (1) |
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Sequencing Genomes: The Human Genome Project |
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8 | (1) |
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The Impact of Biotechnology Is Growing |
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9 | (2) |
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Plants, Animals, and the Food Supply |
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9 | (1) |
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Who Owns Transgenic Organisms? |
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10 | (1) |
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Biotechnology in Genetics and Medicine |
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10 | (1) |
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Genetic Studies Rely On the Use of Model Organisms |
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11 | (3) |
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The Modern Set of Genetic Model Organisms |
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12 | (1) |
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Model Organisms and Human Diseases |
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13 | (1) |
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We Live in the ``Age of Genetics'' |
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14 | (3) |
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Genetics, Technology, and Society |
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14 | (1) |
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15 | (1) |
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Problems and Discussion Questions |
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15 | (1) |
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16 | (1) |
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17 | (22) |
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Cell Structure Is Closely Tied to Genetic Function |
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18 | (2) |
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18 | (1) |
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18 | (1) |
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The Cytoplasm and Cellular Organelles |
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19 | (1) |
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In Diploid Organisms, Chromosomes Exist in Homologous Pairs |
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20 | (3) |
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Mitosis Partitions Chromosomes into Dividing Cells |
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23 | (4) |
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Interphase and the Cell Cycle |
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23 | (2) |
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25 | (1) |
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Prometaphase and Metaphase |
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26 | (1) |
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26 | (1) |
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26 | (1) |
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Meiosis Reduces the Chromosome Number from Diploid to Haploid in Germ Cells and Spores |
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27 | (4) |
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28 | (1) |
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The First Meiotic Division: Prophase I |
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28 | (1) |
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Metaphase, Anaphase, and Telophase I |
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29 | (1) |
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The Second Meiotic Division |
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29 | (2) |
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The Development of Gametes Varies during Spermatogenesis and Oogenesis |
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31 | (1) |
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Meiosis Is Critical to the Successful Sexual Reproduction of All Diploid Organisms |
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32 | (1) |
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Electron Microscopy Has Revealed the Cytological Nature of Mitotic and Meiotic Chromosomes |
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33 | (6) |
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Chromatin and Chromosomes |
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33 | (1) |
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34 | (1) |
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35 | (1) |
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36 | (1) |
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Problems and Discussion Questions |
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37 | (1) |
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38 | (1) |
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38 | (1) |
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39 | (27) |
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Mendel Used a Model Experimental Approach to Study Patterns of Inheritance |
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40 | (1) |
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The Monohybrid Cross Reveals How One Trait Is Transmitted from Generation to Generation |
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40 | (4) |
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Mendel's First Three Postulates |
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41 | (1) |
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Modern Genetic Terminology |
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42 | (1) |
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Mendel's Analytical Approach |
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42 | (1) |
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43 | (1) |
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The Testcross: One Character |
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43 | (1) |
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Mendel's Dihybrid Cross Revealed His Fourth Postulate: Independent Assortment |
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44 | (3) |
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44 | (3) |
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The Testcross: Two Characters |
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47 | (1) |
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The Trihybrid Cross Demonstrates That Mendel's Principles Apply to Inheritance of Multiple Traits |
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47 | (2) |
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The Forked-Line Method, or Branch Diagram |
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47 | (2) |
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Mendel's Work Was Rediscovered in the Early 20th Century |
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49 | (1) |
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The Correlation of Mendel's Postulates with the Behavior of Chromosomes Formed the Foundation of Modern Transmission Genetics |
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49 | (2) |
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Unit Factors, Genes, and Homologous Chromosomes |
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49 | (2) |
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Independent Assortment Leads to Extensive Genetic Variation |
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51 | (1) |
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Laws of Probability Help to Explain Genetic Events |
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51 | (3) |
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The Product Law and the Sum Law |
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51 | (1) |
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52 | (1) |
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52 | (2) |
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Chi-Square Analysis Evaluates the Influence of Chance on Genetic Data |
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54 | (2) |
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Interpreting Χ2 Calculations |
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56 | (1) |
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Pedigrees Reveal Patterns of Inheritance in Humans |
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56 | (10) |
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56 | (1) |
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57 | (2) |
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Genetics, Technology, and Society |
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59 | (1) |
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Tay--Sachs Disease: A Recessive Molecular Disorder in Humans |
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59 | (1) |
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59 | (1) |
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60 | (2) |
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Problems and Discussion Questions |
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62 | (2) |
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64 | (1) |
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65 | (1) |
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Extensions of Mendelian Genetics |
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66 | (34) |
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Alleles Alter Phenotypes in Different Ways |
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67 | (1) |
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Geneticists Use a Variety of Symbols for Alleles |
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68 | (1) |
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In Incomplete Dominance, Neither Allele Is Dominant |
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68 | (1) |
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In Codominance, the Influence of Both Alleles in a Heterozygote Is Clearly Evident |
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69 | (1) |
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Multiple Alleles of a Gene May Exist in a Population |
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70 | (2) |
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70 | (1) |
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71 | (1) |
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71 | (1) |
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The white Locus in Drosophila |
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72 | (1) |
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Lethal Alleles Represent Essential Genes |
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72 | (2) |
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Dominant Lethal Mutations |
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73 | (1) |
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Combinations of Two Gene Pairs Involving Two Modes of Inheritance Modify the 9:3:3:1 Ratio |
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74 | (1) |
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Phenotypes Are Often Affected by More Than One Gene |
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75 | (5) |
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75 | (1) |
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Unique Inheritance Patterns |
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75 | (3) |
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78 | (1) |
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Other Modified Dihybrid Ratios |
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79 | (1) |
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Expression of a Single Gene May Have Multiple Effects |
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80 | (1) |
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X-Linkage Describes Genes on the X Chromosome |
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81 | (3) |
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81 | (1) |
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82 | (2) |
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Lesch--Nyhan Syndrome: The Molecular Basis of a Rare X-Linked Recessive Disorder |
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84 | (1) |
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In Sex-Limited and Sex-Influenced Inheritance, an Individual's Sex Influences the Phenotype |
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84 | (1) |
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Phenotypic Expression Is Not Always a Direct Reflection of the Genotype |
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85 | (15) |
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Penetrance and Expressivity |
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85 | (1) |
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Genetic Background: Suppression and Position Effects |
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86 | (1) |
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87 | (1) |
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87 | (1) |
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Onset of Genetic Expression |
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88 | (1) |
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88 | (1) |
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Genomic (Parental) Imprinting |
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88 | (2) |
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Genetics, Technology, and Society |
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90 | (1) |
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Improving the Genetic Fate of Purebred Dogs |
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90 | (1) |
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91 | (1) |
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91 | (2) |
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Problems and Discussion Questions |
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93 | (3) |
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96 | (3) |
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99 | (1) |
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Chromosome Mapping in Eukaryotes |
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100 | (37) |
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Genes Linked on the Same Chromosome Segregate Together |
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101 | (3) |
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102 | (2) |
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Crossing Over Serves as the Basis of Determining the Distance between Genes during Chromosome Mapping |
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104 | (3) |
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104 | (1) |
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104 | (2) |
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106 | (1) |
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Determining the Gene Sequence during Mapping Relies on the Analysis of Multiple Crossovers |
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107 | (7) |
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107 | (1) |
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Three-Point Mapping in Drosophila |
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108 | (2) |
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Determining the Gene Sequence |
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110 | (1) |
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A Mapping Problem in Maize |
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111 | (3) |
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Interference Affects the Recovery of Multiple Exchanges |
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114 | (1) |
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As the Distance between Two Genes Increases, Mapping Experiments Become More Inaccurate |
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115 | (1) |
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Drosophila Genes Have Been Extensively Mapped |
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116 | (1) |
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Crossing Over Involves a Physical Exchange between Chromatids |
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117 | (1) |
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Recombination Occurs between Mitotic Chromosomes |
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118 | (2) |
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Exchanges Also Occur between Sister Chromatids |
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120 | (1) |
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Linkage Analysis and Mapping Can Be Performed in Haploid Organisms |
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120 | (6) |
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Gene-to-Centromere Mapping |
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121 | (2) |
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Ordered versus Unordered Tetrad Analysis |
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123 | (1) |
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124 | (2) |
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Lod Score Analysis and Somatic Cell Hybridization Were Historically Important in Creating Human Chromosome Maps |
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126 | (2) |
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Gene Mapping Is Now Possible Using Molecular Analysis of DNA |
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128 | (1) |
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Gene Mapping Using Annotated Computer Databases |
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128 | (1) |
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Did Mendel Encounter Linkage? |
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128 | (9) |
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Why Didn't Gregor Mendel Find Linkage? |
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129 | (1) |
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129 | (1) |
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130 | (2) |
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Problems and Discussion Questions |
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132 | (3) |
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135 | (1) |
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136 | (1) |
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Genetic Analysis and Mapping in Bacteria and Bacteriophages |
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137 | (28) |
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Bacteria Mutate Spontaneously and Grow at an Exponential Rate |
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138 | (1) |
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Conjugation Is One Means of Genetic Recombination in Bacteria |
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139 | (7) |
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140 | (1) |
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Hfr Bacteria and Chromosome Mapping |
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141 | (3) |
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Recombination in F+ x F- Matings: A Reexamination |
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144 | (1) |
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The F' State and Merozygotes |
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145 | (1) |
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Mutational Analysis Led to the Discovery of the Rec Proteins Essential to Bacterial Recombination |
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146 | (1) |
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146 | (1) |
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Transformation Is Another Process Leading to Genetic Recombination in Bacteria |
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147 | (1) |
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The Transformation Process |
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147 | (1) |
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Transformation and Linked Genes |
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147 | (1) |
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Bacteriophages Are Bacterial Viruses |
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148 | (3) |
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Phage T4: Structure and Life Cycle |
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148 | (1) |
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149 | (1) |
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150 | (1) |
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Transduction Is Virus-Mediated Bacterial DNA Transfer |
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151 | (2) |
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The Lederberg--Zinder Experiment |
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151 | (1) |
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The Nature of Transduction |
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152 | (1) |
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153 | (1) |
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Bacteriophages Undergo Intergenic Recombination |
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153 | (1) |
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Mapping in Bacteriophages |
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154 | (1) |
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Intragenic Recombination Occurs in Phage T4 |
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154 | (11) |
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The rII Locus of Phage T4 |
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154 | (1) |
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Complementation by rII Mutations |
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155 | (1) |
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156 | (1) |
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Deletion Testing of the rII Locus |
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156 | (1) |
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157 | (2) |
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Genetics, Technology, and Society |
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159 | (1) |
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Bacterial Genes and Disease: From Gene Expression to Edible Vaccines |
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159 | (1) |
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160 | (1) |
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160 | (1) |
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Problems and Discussion Questions |
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161 | (2) |
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163 | (1) |
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164 | (1) |
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Sex Determination and Sex Chromosomes |
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165 | (22) |
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Sexual Differentiation and Life Cycles |
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166 | (3) |
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166 | (1) |
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167 | (1) |
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168 | (1) |
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X and Y Chromosomes Were First Linked to Sex Determination Early in the 20th Century |
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169 | (1) |
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The Y Chromosome Determines Maleness in Humans |
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170 | (5) |
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Klinefelter and Turner Syndromes |
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171 | (1) |
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172 | (1) |
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172 | (1) |
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Sexual Differentiation in Humans |
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173 | (1) |
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The Y Chromosome and Male Development |
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173 | (2) |
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The Ratio of Males to Females in Humans Is Not 1.0 |
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175 | (1) |
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Dosage Compensation Prevents Excessive Expression of X-Linked Genes in Humans and Other Mammals |
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175 | (3) |
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176 | (1) |
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176 | (2) |
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The Mechanism of Inactivation |
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178 | (1) |
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The Ratio of X Chromosomes to Sets of Autosomes Determines Sex in Drosophila |
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178 | (3) |
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Dosage Compensation in Drosophila |
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180 | (1) |
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180 | (1) |
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Temperature Variation Controls Sex Determination in Reptiles |
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181 | (6) |
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182 | (1) |
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Genetics, Technology, and Society |
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183 | (1) |
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A Question of Gender: Sex Selection in Humans |
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183 | (1) |
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184 | (1) |
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Problems and Discussion Questions |
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184 | (1) |
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185 | (1) |
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186 | (1) |
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Chromosome Mutations: Variation in Chromosome Number and Arrangement |
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187 | (27) |
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Specific Terminology Describes Variations in Chromosome Number |
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188 | (1) |
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Variation in the Number of Chromosomes Results from Nondisjunction |
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188 | (1) |
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Monosomy, the Loss of a Single Chromosome, May Have Severe Phenotypic Effects |
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189 | (1) |
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Partial Monosomy in Humans: The Cri-du-Chat Syndrome |
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189 | (1) |
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Trisomy Involves the Addition of a Chromosome to a Diploid Genome |
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190 | (4) |
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191 | (2) |
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193 | (1) |
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193 | (1) |
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Viability in Human Aneuploidy |
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193 | (1) |
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Polyploidy, in Which More Than Two Haploid Sets of Chromosomes Are Present, Is Prevalent in Plants |
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194 | (4) |
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195 | (1) |
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196 | (2) |
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198 | (1) |
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Variation Occurs in the Structure and Arrangement of Chromosomes |
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198 | (1) |
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A Deletion Is a Missing Region of a Chromosome |
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199 | (1) |
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A Duplication Is a Repeated Segment of the Genetic Material |
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200 | (3) |
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Gene Redundancy and Amplification: Ribosomal RNA Genes |
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200 | (1) |
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The Bar-Eye Mutation in Drosophila |
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201 | (1) |
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The Role of Gene Duplication in Evolution |
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201 | (2) |
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Inversions Rearrange the Linear Gene Sequence |
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203 | (3) |
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Consequences of Inversions during Gamete Formation |
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203 | (1) |
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Position Effects of Inversions |
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204 | (1) |
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Evolutionary Advantages of Inversions |
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205 | (1) |
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Translocations Alter the Location of Chromosomal Segments in the Genome |
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206 | (2) |
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Translocations in Humans: Familial Down Syndrome |
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206 | (2) |
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Fragile Sites in Humans Are Susceptible to Chromosome Breakage |
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208 | (6) |
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Fragile X Syndrome (Martin--Bell Syndrome) |
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208 | (1) |
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Genetics, Technology, and Society |
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209 | (1) |
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The Link between Fragile Sites and Cancer |
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209 | (1) |
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210 | (1) |
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210 | (1) |
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Problems and Discussion Questions |
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211 | (1) |
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212 | (1) |
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213 | (1) |
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214 | (17) |
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Organelle Heredity Involves DNA in Chloroplasts and Mitochondria |
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215 | (3) |
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Chloroplasts: Variegation in Four O'Clock Plants |
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215 | (1) |
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Chloroplast Mutations in Chlamydomonas |
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216 | (1) |
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Mitochondrial Mutations: The Case of poky in Neurospora |
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216 | (1) |
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217 | (1) |
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Knowledge of Mitochondrial and Chloroplast DNA Helps Explain Organelle Heredity |
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218 | (3) |
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Organelle DNA and the Endosymbiotic Theory |
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218 | (1) |
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Molecular Organization and Gene Products of Chloroplast DNA |
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219 | (1) |
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Molecular Organization and Gene Products of Mitochondrial DNA |
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220 | (1) |
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Mutations in Mitochondrial DNA Cause Human Disorders |
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221 | (1) |
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Infectious Heredity Is Based on a Symbiotic Relationship between Host Organism and Invader |
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222 | (2) |
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222 | (2) |
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Infective Particles in Drosophila |
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224 | (1) |
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In Maternal Effect, the Maternal Genotype Has a Strong Influence during Early Development |
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224 | (7) |
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224 | (1) |
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224 | (1) |
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Embryonic Development in Drosophila |
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225 | (1) |
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Genetics, Technology, and Society |
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226 | (1) |
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Mitochondrial DNA and the Mystery of the Romanovs |
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226 | (1) |
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227 | (1) |
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228 | (1) |
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Problems and Discussion Questions |
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228 | (1) |
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229 | (1) |
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230 | (1) |
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Part Two DNA: Structure, Replication, and Variation |
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DNA Structure and Analysis |
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231 | (32) |
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The Genetic Material Must Exhibit Four Characteristics |
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232 | (1) |
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Until 1944, Observations Favored Protein as the Genetic Material |
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233 | (1) |
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Evidence Favoring DNA as the Genetic Material Was First Obtained during the Study of Bacteria and Bacteriophages |
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233 | (6) |
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Transformation: Early Studies |
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233 | (2) |
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Transformation: The Avery, MacLeod, and McCarty Experiment |
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235 | (1) |
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The Hershey--Chase Experiment |
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236 | (3) |
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239 | (1) |
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Indirect and Direct Evidence Supports the Concept that DNA Is the Genetic Material in Eukaryotes |
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239 | (1) |
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Indirect Evidence: Distribution of DNA |
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239 | (1) |
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Indirect Evidence: Mutagenesis |
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239 | (1) |
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Direct Evidence: Recombinant DNA Studies |
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240 | (1) |
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RNA Serves as the Genetic Material in Some Viruses |
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240 | (1) |
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Knowledge of Nucleic Acid Chemistry Is Essential to the Understanding of DNA Structure |
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241 | (2) |
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Nucleotides: Building Blocks of Nucleic Acids |
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241 | (2) |
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Nucleoside Diphosphates and Triphosphates |
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243 | (1) |
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243 | (1) |
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The Structure of DNA Holds the Key to Understanding Its Function |
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243 | (5) |
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244 | (1) |
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X-Ray Diffraction Analysis |
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245 | (1) |
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245 | (3) |
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Alternative Forms of DNA Exist |
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248 | (1) |
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The Structure of RNA Is Chemically Similar to DNA, but Single Stranded |
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249 | (2) |
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Molecular Structure of Nucleic Acids: A Structure for Deoxyribose Nucleic Acid |
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250 | (1) |
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Many Analytical Techniques Have Been Useful during the Investigation of DNA and RNA |
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251 | (12) |
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Absorption of Ultraviolet Light (UV) |
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251 | (1) |
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251 | (2) |
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Denaturation and Renaturation of Nucleic Acids |
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253 | (1) |
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254 | (1) |
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Fluorescent in situ Hybridization (FISH) |
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255 | (1) |
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Reassociation Kinetics and Repetitive DNA |
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255 | (2) |
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Electrophoresis of Nucleic Acids |
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257 | (1) |
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Genetics, Technology, and Society |
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258 | (1) |
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The Twists and Turns of the Helical Revolution |
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258 | (1) |
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259 | (1) |
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259 | (1) |
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Problems and Discussion Questions |
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260 | (1) |
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261 | (1) |
|
|
262 | (1) |
|
DNA Replication and Recombination |
|
|
263 | (23) |
|
DNA Is Reproduced by Semiconservative Replication |
|
|
264 | (4) |
|
The Meselson--Stahl Experiment |
|
|
265 | (1) |
|
Semiconservative Replication in Eukaryotes |
|
|
266 | (1) |
|
Origins, Forks, and Units of Replication |
|
|
266 | (2) |
|
DNA Synthesis in Bacteria Involves Five Polymerases, as well as Other Enzymes |
|
|
268 | (3) |
|
|
268 | (1) |
|
Synthesis of Biologically Active DNA |
|
|
269 | (1) |
|
DNA Polymerase II, III, IV, and V |
|
|
270 | (1) |
|
Many Complex Issues Must Be Resolved during DNA Replication |
|
|
271 | (1) |
|
The DNA Helix Must Be Unwound |
|
|
271 | (1) |
|
Initiation of DNA Synthesis Requires an RNA Primer |
|
|
272 | (1) |
|
Antiparallel Strands Require Continuous and Discontinuous DNA Synthesis |
|
|
272 | (1) |
|
Concurrent Synthesis Occurs on the Leading and Lagging Strands |
|
|
273 | (1) |
|
Proofreading and Error Correction Are an Integral Part of DNA Replication |
|
|
273 | (1) |
|
A Coherent Model Summarizes DNA Replication |
|
|
273 | (1) |
|
Replication Is Controlled by a Variety of Genes |
|
|
274 | (1) |
|
Eukaryotic DNA Synthesis Is Similar to Synthesis in Prokaryotes, but More Complex |
|
|
275 | (1) |
|
Multiple Replication Origins |
|
|
275 | (1) |
|
Eukaryotic DNA Polymerases |
|
|
275 | (1) |
|
The Ends of Linear Chromosomes Are Problematic during Replication |
|
|
276 | (2) |
|
DNA Recombination, Like DNA Replication, Is Directed by Specific Enzymes |
|
|
278 | (1) |
|
Gene Conversion Is a Consequence of DNA Recombination |
|
|
279 | (7) |
|
Genetics, Technology, and Society |
|
|
281 | (1) |
|
Telomerase: The Key to Immortality? |
|
|
281 | (1) |
|
|
282 | (1) |
|
|
282 | (1) |
|
Problems and Discussion Questions |
|
|
283 | (1) |
|
|
284 | (1) |
|
|
285 | (1) |
|
DNA Organization in Chromosomes |
|
|
286 | (20) |
|
Viral and Bacterial Chromosomes Are Relatively Simple DNA Molecules |
|
|
287 | (2) |
|
Supercoiling Is Common in the DNA of Viral and Bacterial Chromosomes |
|
|
289 | (1) |
|
Specialized Chromosomes Reveal Variations in Structure |
|
|
290 | (2) |
|
|
290 | (1) |
|
|
291 | (1) |
|
DNA Is Organized into Chromatin in Eukaryotes |
|
|
292 | (4) |
|
Chromatin Structure and Nucleosomes |
|
|
292 | (2) |
|
High Resolution Studies of the Nucleosome Core |
|
|
294 | (1) |
|
|
295 | (1) |
|
Chromosome Banding Differentiates Regions along the Mitotic Chromosome |
|
|
296 | (1) |
|
Eukaryotic Chromosomes Demonstrate Complex Organization Characterized by Repetitive DNA |
|
|
297 | (4) |
|
Repetitive DNA and Satellite DNA |
|
|
297 | (1) |
|
Centromeric DNA Sequences |
|
|
298 | (1) |
|
|
299 | (1) |
|
Middle Repetitive Sequences: VNTRs and Dinucleotide Repeats |
|
|
300 | (1) |
|
Repetitive Transposed Sequences: SINES and LINES |
|
|
300 | (1) |
|
Middle Repetitive Multiple-Copy Genes |
|
|
301 | (1) |
|
The Vast Majority of a Eukaryotic Genome Does Not Encode Functional Genes |
|
|
301 | (5) |
|
|
301 | (1) |
|
|
302 | (1) |
|
Problems and Discussion Questions |
|
|
302 | (1) |
|
|
303 | (2) |
|
|
305 | (1) |
|
Part Three Expression and Regulation of Genetic Information |
|
|
|
The Genetic Code and Transcription |
|
|
306 | (28) |
|
The Genetic Code Exhibits a Number of Characteristics |
|
|
307 | (1) |
|
Early Studies Established the Basic Operational Patterns of the Code |
|
|
307 | (2) |
|
The Triplet Nature of the Code |
|
|
308 | (1) |
|
The Nonoverlapping Nature of the Code |
|
|
308 | (1) |
|
The Commaless and Degenerate Nature of the Code |
|
|
309 | (1) |
|
Studies by Nirenberg, Matthaei, and Others Led to Deciphering of the Code |
|
|
309 | (4) |
|
Synthesizing Polypeptides in a Cell-Free System |
|
|
309 | (1) |
|
|
310 | (1) |
|
|
310 | (1) |
|
The Triplet Binding Assay |
|
|
311 | (1) |
|
|
312 | (1) |
|
The Coding Dictionary Reveals Several Interesting Patterns among the 64 Codons |
|
|
313 | (2) |
|
Degeneracy and the Wobble Hypothesis |
|
|
313 | (1) |
|
The Ordered Nature of the Code |
|
|
314 | (1) |
|
Initiation, Termination, and Suppression |
|
|
314 | (1) |
|
The Genetic Code Has Been Confirmed in Studies of Phage MS2 |
|
|
315 | (1) |
|
The Genetic Code Is Nearly Universal |
|
|
315 | (1) |
|
Different Initiation Points Create Overlapping Genes |
|
|
316 | (1) |
|
Transcription Synthesizes RNA on a DNA Template |
|
|
317 | (1) |
|
Studies with Bacteria and Phages Provided Evidence for the Existence of mRNA |
|
|
317 | (1) |
|
RNA Polymerase Directs RNA Synthesis |
|
|
318 | (2) |
|
Promoters, Template Binding, and the Sigma Subunit |
|
|
318 | (1) |
|
Initiation, Elongation, and Termination of RNA Synthesis |
|
|
319 | (1) |
|
Transcription in Eukaryotes Differs from Prokaryotic Transcription in Several Ways |
|
|
320 | (3) |
|
Initiation of Transcription in Eukaryotes |
|
|
320 | (1) |
|
Recent Discoveries Concerning RNA Polymerase Function |
|
|
321 | (1) |
|
Heterogeneous Nuclear RNA and Its Processing: Caps and Tails |
|
|
322 | (1) |
|
The Coding Regions of Eukaryotic Genes Are Interrupted by Intervening Sequences |
|
|
323 | (3) |
|
Splicing Mechanisms: Autocatalytic RNAs |
|
|
324 | (1) |
|
Splicing Mechanisms: The Spliceosome |
|
|
325 | (1) |
|
|
326 | (1) |
|
Transcription Has Been Visualized by Electron Microscopy |
|
|
326 | (8) |
|
Genetics, Technology, and Society |
|
|
328 | (1) |
|
Antisense Oligonucleotides: Attacking the Messenger |
|
|
328 | (1) |
|
|
329 | (1) |
|
|
329 | (1) |
|
Problems and Discussion Questions |
|
|
330 | (1) |
|
|
331 | (2) |
|
|
333 | (1) |
|
|
334 | (27) |
|
Translation of mRNA Depends on Ribosomes and Transfer RNAs |
|
|
335 | (3) |
|
|
335 | (1) |
|
|
336 | (1) |
|
|
337 | (1) |
|
Translation of mRNA Can Be Divided into Three Steps |
|
|
338 | (4) |
|
|
338 | (1) |
|
|
339 | (1) |
|
|
340 | (1) |
|
|
341 | (1) |
|
Crystallographic Analysis Has Revealed Many Details about the Functional Prokaryotic Ribosome |
|
|
342 | (1) |
|
Translation Is More Complex in Eukaryotes |
|
|
342 | (1) |
|
The Initial Insight That Proteins Are Important in Heredity Was Provided by the Study of Inborn Errors of Metabolism |
|
|
343 | (1) |
|
|
344 | (1) |
|
Studies of Neurospora Led to the One-Gene: One-Enzyme Hypothesis |
|
|
344 | (2) |
|
Analysis of Neurospora Mutants by Beadle and Tatum |
|
|
344 | (2) |
|
Genes and Enzymes: Analysis of Biochemical Pathways |
|
|
346 | (1) |
|
Studies of Human Hemoglobin Established That One Gene Encodes One Polypeptide |
|
|
346 | (3) |
|
|
347 | (1) |
|
|
348 | (1) |
|
The Nucleotide Sequence of a Gene and the Amino Acid Sequence of the Corresponding Protein Exhibit Colinearity |
|
|
349 | (1) |
|
Protein Structure Is the Basis of Biological Diversity |
|
|
349 | (4) |
|
Posttranslational Modification |
|
|
352 | (1) |
|
Protein Function Is Directly Related to the Structure of the Molecule |
|
|
353 | (1) |
|
Proteins Are Made Up of One or More Functional Domains |
|
|
354 | (7) |
|
Exon Shuffling and the Origin of Protein Domains |
|
|
354 | (2) |
|
Genetics, Technology, and Society |
|
|
356 | (1) |
|
Mad Cow Disease: The Prion Story |
|
|
356 | (1) |
|
|
357 | (1) |
|
|
357 | (1) |
|
Problems and Discussion Questions |
|
|
357 | (1) |
|
|
358 | (2) |
|
|
360 | (1) |
|
Gene Mutation, DNA Repair, and Transposition |
|
|
361 | (31) |
|
Mutations Are Classified in Various Ways |
|
|
362 | (3) |
|
Spontaneous, Induced, and Adaptive Mutations |
|
|
362 | (1) |
|
Classification Based on Location of Mutation |
|
|
363 | (1) |
|
Classification Based on Type of Molecular Change |
|
|
364 | (1) |
|
Classification Based on Phenotypic Effects |
|
|
364 | (1) |
|
The Spontaneous Mutation Rate Varies Greatly among Organisms |
|
|
365 | (1) |
|
Deleterious Mutations in Humans |
|
|
365 | (1) |
|
Spontaneous Mutations Arise from Replication Errors and Base Modifications |
|
|
366 | (3) |
|
|
366 | (1) |
|
|
366 | (1) |
|
The Odds of Losing at Genetic Roulette |
|
|
367 | (1) |
|
|
368 | (1) |
|
Depurination and Deamination |
|
|
368 | (1) |
|
|
369 | (1) |
|
|
369 | (1) |
|
Induced Mutations Arise from DNA Damage Caused by Chemicals and Radiation |
|
|
369 | (3) |
|
|
370 | (1) |
|
|
370 | (1) |
|
Acridine Dyes and Frameshift Mutations |
|
|
370 | (1) |
|
Ultraviolet Light and Thymine Dimers |
|
|
371 | (1) |
|
|
372 | (1) |
|
Genomics and Gene Sequencing Have Enhanced Our Understanding of Mutations in Humans |
|
|
372 | (3) |
|
|
373 | (1) |
|
|
373 | (1) |
|
Trinucleotide Repeats in Fragile X Syndrome, Myotonic Dystrophy, and Huntington Disease |
|
|
373 | (2) |
|
Genetic Techniques, Cell Cultures, and Pedigree Analysis Are All Used to Detect Mutations |
|
|
375 | (2) |
|
Detection in Bacteria and Fungi |
|
|
375 | (1) |
|
|
375 | (1) |
|
|
375 | (2) |
|
The Ames Test Is Used to Assess the Mutagenicity of Compounds |
|
|
377 | (1) |
|
Organisms Use DNA Repair Systems to Counteract Mutations |
|
|
377 | (5) |
|
Proofreading and Mismatch Repair |
|
|
377 | (1) |
|
Postreplication Repair and the SOS Repair System |
|
|
378 | (1) |
|
Photoreactivation Repair: Reversal of UV Damage in Prokaryotes |
|
|
379 | (1) |
|
Base and Nucleotide Excision Repair |
|
|
379 | (1) |
|
Xeroderma Pigmentosum and Nucleotide Excision Repair in Humans |
|
|
380 | (1) |
|
Double-Strand Break Repair in Eukaryotes |
|
|
381 | (1) |
|
Transposable Elements Move within the Genome and May Disrupt Genetic Function |
|
|
382 | (10) |
|
|
382 | (1) |
|
|
382 | (1) |
|
The Ac--Ds System in Maize |
|
|
383 | (1) |
|
Mobile Genetic Elements and Wrinkled Peas: Mendel Revisited |
|
|
384 | (1) |
|
Copia Elements in Drosophila |
|
|
385 | (1) |
|
P Element Transposons in Drosophila |
|
|
385 | (1) |
|
Transposable Elements in Humans |
|
|
386 | (1) |
|
|
386 | (1) |
|
Genetics, Technology, and Society |
|
|
387 | (1) |
|
|
387 | (1) |
|
|
388 | (1) |
|
Problems and Discussion Questions |
|
|
389 | (1) |
|
|
390 | (1) |
|
|
391 | (1) |
|
Regulation of Gene Expression in Prokaryotes |
|
|
392 | (19) |
|
Prokaryotes Exhibit Efficient Genetic Mechanisms to Respond to Environmental Conditions |
|
|
393 | (1) |
|
Lactose Metabolism in E. coli Is Regulated by an Inducible System |
|
|
393 | (5) |
|
|
394 | (1) |
|
The Discovery of Regulatory Mutations |
|
|
394 | (1) |
|
The Operon Model: Negative Control |
|
|
395 | (1) |
|
Genetic Proof of the Operon Model |
|
|
395 | (2) |
|
Isolation of the Repressor |
|
|
397 | (1) |
|
The Catabolite-Activating Protein (CAP) Exerts Positive Control over the lac Operon |
|
|
398 | (1) |
|
Crystal Structure Analysis of Repressor Complexes Has Confirmed the Operon Model |
|
|
399 | (2) |
|
The tryptophan (trp) Operon in E. coli Is a Repressible Gene System |
|
|
401 | (1) |
|
Evidence for the trp Operon |
|
|
401 | (1) |
|
Attenuation Is a Critical Process during the Regulation of the trp Operon in E. coli |
|
|
402 | (1) |
|
TRAP and AT Proteins Govern Attenuation in B. subtilis |
|
|
403 | (1) |
|
The ara Operon Is Controlled by a Regulator Protein That Exerts Both Positive and Negative Control |
|
|
404 | (7) |
|
Genetics, Technology, and Society |
|
|
406 | (1) |
|
Quorum Sensing: How Bacteria Talk to One Another |
|
|
406 | (1) |
|
|
407 | (1) |
|
|
407 | (1) |
|
Problems and Discussion Questions |
|
|
408 | (1) |
|
|
409 | (1) |
|
|
410 | (1) |
|
Regulation of Gene Expression in Eukaryotes |
|
|
411 | (23) |
|
Eukaryotic Gene Regulation Differs from Regulation in Prokaryotes |
|
|
412 | (1) |
|
Chromosome Organization in the Nucleus Influences Gene Expression |
|
|
412 | (1) |
|
Transcription Initiation Is a Major Form of Gene Regulation |
|
|
413 | (2) |
|
Promoters Have a Modular Organization |
|
|
413 | (1) |
|
Enhancers Control the Rate of Transcription |
|
|
414 | (1) |
|
Transcription in Eukaryotes Requires Several Steps |
|
|
415 | (2) |
|
Transcription Requires Chromatin Remodeling |
|
|
415 | (1) |
|
Histone Modification Is Part of Chromatin Remodeling |
|
|
416 | (1) |
|
Assembly of the Basal Transcription Complex Occurs at the Promoter |
|
|
417 | (3) |
|
RNA Polymerases and Transcription |
|
|
417 | (1) |
|
Formation of the Transcription Initiation Complex |
|
|
417 | (1) |
|
Activators Bind to Enhancers and Change the Rate of Transcription Initiation |
|
|
418 | (2) |
|
Gene Regulation in a Model Organism: Positive Induction and Catabolite Repression in the gal Genes of Yeast |
|
|
420 | (2) |
|
DNA Methylation and Regulation of Gene Expression |
|
|
422 | (1) |
|
Posttranscriptional Regulation of Gene Expression |
|
|
423 | (3) |
|
Alternative Splicing Pathways for mRNA |
|
|
423 | (1) |
|
Alternative Splicing and Cell Function |
|
|
423 | (2) |
|
Alternative Splicing Amplifies the Number of Proteins Produced by a Genome |
|
|
425 | (1) |
|
RNA Silencing of Gene Expression |
|
|
425 | (1) |
|
Alternative Splicing and mRNA Stability Also Regulate Gene Expression |
|
|
426 | (8) |
|
Sex Determination in Drosophila: A Model for Regulation of Alternative Splicing |
|
|
426 | (1) |
|
Controlling mRNA Stability |
|
|
427 | (1) |
|
|
428 | (1) |
|
Genetics, Technology, and Society |
|
|
429 | (1) |
|
Human Genetic Diseases and Loss of Gene Regulation |
|
|
429 | (1) |
|
|
430 | (1) |
|
Problems and Discussion Questions |
|
|
430 | (2) |
|
|
432 | (1) |
|
|
433 | (1) |
|
Cell Cycle Regulation and Cancer |
|
|
434 | (23) |
|
Cancer Is a Genetic Disease |
|
|
435 | (2) |
|
|
436 | (1) |
|
The Clonal Origin of Cancer Cells |
|
|
436 | (1) |
|
Cancer As a Multistep Process, Requiring Multiple Mutations |
|
|
436 | (1) |
|
Cancer Cells Contain Genetic Defects Affecting Genomic Stability and DNA Repair |
|
|
437 | (2) |
|
Cancer Cells Contain Genetic Defects Affecting Cell Cycle Regulation |
|
|
439 | (3) |
|
The Cell Cycle and Signal Transduction |
|
|
439 | (1) |
|
Cell Cycle Control and Checkpoints |
|
|
440 | (2) |
|
Many Cancer-Causing Genes Disrupt Control of the Cell Cycle |
|
|
442 | (4) |
|
The Cyclin D1 and Cyclin E Proto-oncogenes |
|
|
443 | (1) |
|
|
443 | (1) |
|
The p53 Tumor Suppressor Gene |
|
|
444 | (1) |
|
The RB1 Tumor Suppressor Gene |
|
|
445 | (1) |
|
Cancer Is a Genetic Disorder Affecting Cell--Cell Contact |
|
|
446 | (1) |
|
Predisposition to Some Cancers Can Be Inherited |
|
|
447 | (2) |
|
Viruses Contribute to Cancer in Both Humans and Animals |
|
|
449 | (2) |
|
Environmental Agents Contribute to Human Cancers |
|
|
451 | (6) |
|
Genetics, Technology, and Society |
|
|
452 | (1) |
|
Breast Cancer: The Double-Edged Sword of Genetic Testing |
|
|
452 | (1) |
|
|
453 | (1) |
|
|
453 | (1) |
|
Problems and Discussion Questions |
|
|
454 | (1) |
|
|
455 | (1) |
|
|
456 | (1) |
|
Part Four Genomic Analysis |
|
|
|
Recombinant DNA Technology |
|
|
457 | (27) |
|
Recombinant DNA Technology Combines Several Experimental Techniques |
|
|
458 | (1) |
|
Recombinant DNA Technology Is the Foundation of Genome Analysis |
|
|
458 | (1) |
|
Restriction Enzymes Cut DNA at Specific Recognition Sequences |
|
|
458 | (2) |
|
Vectors Carry DNA Molecules to Be Cloned |
|
|
460 | (3) |
|
|
460 | (1) |
|
|
461 | (1) |
|
|
462 | (1) |
|
Bacterial Artificial Chromosomes |
|
|
462 | (1) |
|
|
463 | (1) |
|
DNA Was First Cloned in Prokaryotic Host Cells |
|
|
463 | (1) |
|
Yeast Cells Are Used as Eukaryotic Hosts for Cloning |
|
|
464 | (1) |
|
Genes Can Be Transferred to Eukaryotic Cells |
|
|
465 | (1) |
|
|
465 | (1) |
|
|
466 | (1) |
|
The Polymerase Chain Reaction Makes DNA Copies Without Host Cells |
|
|
466 | (2) |
|
|
467 | (1) |
|
Other Applications of PCR |
|
|
468 | (1) |
|
Libraries Are Collections of Cloned Sequences |
|
|
468 | (2) |
|
|
468 | (1) |
|
Chromosome-Specific Libraries |
|
|
468 | (1) |
|
|
469 | (1) |
|
Specific Clones Can Be Recovered from a Library |
|
|
470 | (1) |
|
Probes Identify Specific Clones |
|
|
470 | (1) |
|
|
471 | (1) |
|
Cloned Sequences Can Be Characterized in Several Ways |
|
|
471 | (3) |
|
|
471 | (2) |
|
|
473 | (1) |
|
DNA Sequencing Is the Ultimate Way to Characterize a Clone |
|
|
474 | (10) |
|
DNA Sequencing and Genome Projects |
|
|
477 | (1) |
|
|
478 | (1) |
|
Genetics, Technology, and Society |
|
|
479 | (1) |
|
DNA Fingerprints and Forensics: The Case of the Telltale Palo Verde |
|
|
479 | (1) |
|
|
480 | (1) |
|
Problems and Discussion Questions |
|
|
480 | (3) |
|
|
483 | (1) |
|
|
484 | (32) |
|
Genomics: Sequencing Is the Basis for Identifying and Mapping All Genes in a Genome |
|
|
486 | (1) |
|
An Overview of Genomic Analysis |
|
|
487 | (1) |
|
|
487 | (1) |
|
|
487 | (1) |
|
Functional Genomics Classifies Genes and Identifies Their Functions |
|
|
488 | (3) |
|
Functional Genomics of a Bacterial Genome |
|
|
489 | (1) |
|
Strategies for Functional Assignments of Unknown Genes |
|
|
489 | (2) |
|
Prokaryotic Genomes Have Some Unexpected Features |
|
|
491 | (1) |
|
Size Range of Eubacterial Genomes |
|
|
491 | (1) |
|
Linear Chromosomes and Multiple Chromosomes in Bacteria |
|
|
491 | (1) |
|
|
492 | (1) |
|
|
493 | (1) |
|
Eukaryotic Genomes Have Several Organizational Patterns |
|
|
493 | (3) |
|
General Features of Eukaryotic Genomes |
|
|
494 | (1) |
|
Transcriptional Units in the C. elegans Genome |
|
|
494 | (1) |
|
|
495 | (1) |
|
The Human Genome: The Human Genome Project (HGP) |
|
|
496 | (3) |
|
Origins of the Human Genome Project |
|
|
496 | (1) |
|
Major Features of the Human Genome |
|
|
496 | (1) |
|
The Unfinished Tasks in Human Genome Sequencing |
|
|
497 | (1) |
|
Chromosomal Organization of Human Genes |
|
|
498 | (1) |
|
Our Genome and the Chimpanzee Genome |
|
|
498 | (1) |
|
Comparative Genomics Is a Versatile Tool |
|
|
499 | (4) |
|
Finding New Genes Using Comparative Genomics |
|
|
499 | (1) |
|
Comparative Genomics and Model Organisms |
|
|
500 | (1) |
|
Comparative Analysis of Nuclear Receptors and Drug Development |
|
|
501 | (1) |
|
The Minimum Genome for Living Cells |
|
|
502 | (1) |
|
Comparative Genomics: Multigene Families Diversify Gene Function |
|
|
503 | (2) |
|
|
503 | (1) |
|
Evolution of Gene Families: The Globin Genes |
|
|
504 | (1) |
|
Proteomics Identifies and Analyzes the Proteins in a Cell |
|
|
505 | (11) |
|
Reconciling the Number of Genes and the Number of Proteins |
|
|
505 | (1) |
|
|
506 | (1) |
|
The Bacterial Proteome Changes with Alterations in the Environment |
|
|
507 | (1) |
|
Proteome Analysis of an Organelle: The Nucleolus |
|
|
508 | (1) |
|
Genetics, Technology, and Society |
|
|
509 | (1) |
|
Beyond Dolly: The Cloning of Humans |
|
|
509 | (1) |
|
|
510 | (1) |
|
|
511 | (1) |
|
Problems and Discussion Questions |
|
|
511 | (3) |
|
|
514 | (1) |
|
|
515 | (1) |
|
Dissection of Gene Function: Mutational Analysis in Model Organisms |
|
|
516 | (33) |
|
Geneticists Use Model Organisms That Are Genetically Tractable |
|
|
517 | (6) |
|
Features of Genetic Model Organisms |
|
|
517 | (1) |
|
Yeast as a Genetic Model Organism |
|
|
517 | (2) |
|
Drosophila as a Genetic Model Organism |
|
|
519 | (2) |
|
The Mouse as a Genetic Model Organism |
|
|
521 | (2) |
|
Geneticists Dissect Gene Function Using Mutations and Forward Genetics |
|
|
523 | (6) |
|
Generating Mutants with Radiation, Chemicals, and Transposon Insertion |
|
|
523 | (1) |
|
|
523 | (2) |
|
|
525 | (1) |
|
|
525 | (1) |
|
Dissecting Genetic Networks: Epistasis and Pathways |
|
|
526 | (1) |
|
Extending the Analysis: Suppressors and Enhancers |
|
|
527 | (1) |
|
Extending the Analysis: Cloning the Genes |
|
|
528 | (1) |
|
Extending the Analysis: Biochemical Functions |
|
|
528 | (1) |
|
Geneticists Dissect Gene Function Using Genomics and Reverse Genetics |
|
|
529 | (7) |
|
Genetic Analysis Beginning with a Purified Protein |
|
|
529 | (1) |
|
Genetic Analysis Beginning with a Mutant Model Organism |
|
|
530 | (1) |
|
Genetic Analysis Beginning with the Cloned Gene |
|
|
531 | (2) |
|
Genetics Analysis Using Gene Targeting Technologies |
|
|
533 | (3) |
|
Geneticists Dissect Gene Function Using Functional Genomic and RNAi Technologies |
|
|
536 | (2) |
|
RNAi: Genetics without Mutations |
|
|
536 | (1) |
|
High-Throughput Functional Genomics Techniques |
|
|
537 | (1) |
|
Gene Expression Microarrays |
|
|
537 | (1) |
|
Genome-Wide Mapping of Protein--DNA Binding Sites |
|
|
538 | (1) |
|
Geneticists Advance Our Understanding of Molecular Processes by Undertaking Genetic Research in Model Organisms: Three Case Studies |
|
|
538 | (11) |
|
|
539 | (2) |
|
Drosophila: The Heidelberg Screens |
|
|
541 | (2) |
|
The Mouse: A Model for ALS Gene Therapy |
|
|
543 | (1) |
|
|
544 | (1) |
|
|
545 | (1) |
|
Problems and Discussion Questions |
|
|
546 | (1) |
|
|
547 | (1) |
|
|
548 | (1) |
|
Applications and Ethics of Biotechnology |
|
|
549 | (26) |
|
Biotechnology Has Revolutionized Agriculture |
|
|
550 | (2) |
|
Transgenic Crops and Herbicide Resistance |
|
|
550 | (1) |
|
Nutritional Enhancement of Crop Plants |
|
|
550 | (1) |
|
Concerns about Genetically Modified Organisms |
|
|
551 | (1) |
|
Pharmaceutical Products Are Synthesized in Genetically Altered Organisms |
|
|
552 | (3) |
|
Insulin Production in Bacteria |
|
|
552 | (1) |
|
Transgenic Animal Hosts and Pharmaceutical Products |
|
|
553 | (1) |
|
Transgenic Plants and Edible Vaccines |
|
|
554 | (1) |
|
Biotechnology Is Used to Diagnose and Screen Genetic Disorders |
|
|
555 | (5) |
|
Prenatal Diagnosis of Sickle-cell Anemia |
|
|
555 | (1) |
|
Single-Nucleotide Polymorphisms and Genetic Screening |
|
|
556 | (1) |
|
|
557 | (1) |
|
|
558 | (1) |
|
|
559 | (1) |
|
|
559 | (1) |
|
Genetic Testing and Ethical Dilemmas |
|
|
560 | (1) |
|
Genetic Disorders Can Be Treated by Gene Therapy |
|
|
560 | (3) |
|
Gene Therapy for Severe Combined Immunodeficiency (SCID) |
|
|
561 | (1) |
|
Problems and Failures in Gene Therapy |
|
|
562 | (1) |
|
The Future of Gene Therapy |
|
|
562 | (1) |
|
Gene Therapy Raises Many Ethical Concerns |
|
|
563 | (1) |
|
Ethical Issues Are an Outgrowth of the Human Genome Project |
|
|
563 | (1) |
|
The Ethical, Legal, and Social Implications (ELSI) Program |
|
|
564 | (1) |
|
Finding and Mapping Genes in the Human Genome with Recombinant DNA Technology |
|
|
564 | (3) |
|
|
564 | (1) |
|
Linkage Analysis Using RFLPs |
|
|
565 | (1) |
|
Positional Cloning: The Gene for Neurofibromatosis |
|
|
565 | (1) |
|
Fluorescent in situ Hybridization (FISH) Gene Mapping |
|
|
566 | (1) |
|
DNA Fingerprints Can Identify Individuals |
|
|
567 | (8) |
|
Minisatellites (VNTRs) and Microsatellites (STRs) |
|
|
567 | (1) |
|
|
568 | (1) |
|
Genetics, Technology, and Society |
|
|
569 | (1) |
|
Gene Therapy---Two Steps Forward or Two Steps Back? |
|
|
569 | (1) |
|
|
570 | (1) |
|
|
570 | (1) |
|
Problems and Discussion Questions |
|
|
571 | (2) |
|
|
573 | (1) |
|
|
574 | (1) |
|
Part Five Genetics of Organisms and Populations |
|
|
|
Developmental Genetics of Model Organisms |
|
|
575 | (24) |
|
Developmental Genetics Seeks to Explain How a Differentiated State Develops from an Organism's Genome |
|
|
576 | (1) |
|
Conservation of Developmental Mechanisms and the Use of Model Organisms |
|
|
577 | (1) |
|
Model Organisms in the Study of Development |
|
|
577 | (1) |
|
Analysis of Developmental Mechanisms |
|
|
577 | (1) |
|
Basic Concepts in Developmental Genetics |
|
|
577 | (1) |
|
Master Switch Genes Program Genomic Expression |
|
|
578 | (1) |
|
The Control of Eye Formation |
|
|
578 | (1) |
|
Genetics of Embryonic Development in Drosophila: Specification of the Body Axis |
|
|
579 | (4) |
|
Overview of Drosophila Development |
|
|
579 | (2) |
|
Genes That Regulate Formation of the Anterior--Posterior Body Axis |
|
|
581 | (1) |
|
Genetic Analysis of Embryogenesis |
|
|
581 | (2) |
|
Zygotic Genes Program Segment Formation in Drosophila |
|
|
583 | (2) |
|
|
583 | (1) |
|
|
584 | (1) |
|
|
584 | (1) |
|
Homeotic Genes Control the Developmental Fate of Segments along the Anterior--Posterior Axis |
|
|
585 | (3) |
|
|
585 | (1) |
|
Hox Genes and Human Genetic Disorders |
|
|
586 | (1) |
|
Control of Hox Gene Expression |
|
|
587 | (1) |
|
Cascades of Gene Action Control Differentiation |
|
|
588 | (1) |
|
Plants Have Evolved Systems That Parallel the Hox Genes of Animals |
|
|
589 | (1) |
|
Homeotic Genes in Arabidopsis |
|
|
589 | (1) |
|
Evolutionary Divergence in Homeotic Genes |
|
|
590 | (1) |
|
Cell--Cell Interactions in C. elegans Development |
|
|
590 | (4) |
|
Signaling Systems in Development |
|
|
590 | (1) |
|
The Notch Signaling Pathway |
|
|
591 | (1) |
|
Overview of C. elegans Development |
|
|
591 | (1) |
|
Genetic Analysis of Vulva Formation |
|
|
592 | (2) |
|
Programmed Cell Death Is Required for Normal Development |
|
|
594 | (5) |
|
Genetics, Technology, and Society |
|
|
595 | (1) |
|
|
595 | (1) |
|
|
596 | (1) |
|
|
596 | (1) |
|
Problems and Discussion Questions |
|
|
597 | (1) |
|
|
598 | (1) |
|
|
598 | (1) |
|
Quantitative Genetics and Multifactorial Traits |
|
|
599 | (18) |
|
Not All Polygenic Traits Show Continuous Variation |
|
|
600 | (1) |
|
Quantitative Traits Can Be Explained in Mendelian Terms |
|
|
600 | (3) |
|
The Multiple Gene Hypothesis for Quantitative Inheritance |
|
|
601 | (1) |
|
Additive Alleles: The Basis of Continuous Variation |
|
|
602 | (1) |
|
Calculating the Number of Polygenes |
|
|
602 | (1) |
|
The Study of Polygenic Traits Relies on Statistical Analysis |
|
|
603 | (2) |
|
|
603 | (1) |
|
|
603 | (1) |
|
|
604 | (1) |
|
Standard Error of the Mean |
|
|
604 | (1) |
|
|
604 | (1) |
|
Analysis of a Quantitative Character |
|
|
604 | (1) |
|
Heritability Estimates the Genetic Contribution to Phenotypic Variability |
|
|
605 | (3) |
|
|
606 | (1) |
|
Narrow-Sense Heritability |
|
|
606 | (1) |
|
|
607 | (1) |
|
Twin Studies Allow an Estimation of Heritability in Humans |
|
|
608 | (1) |
|
Quantitative Trait Loci Can Be Mapped |
|
|
609 | (8) |
|
|
610 | (1) |
|
Genetics, Technology, and Society |
|
|
611 | (1) |
|
The Green Revolution Revisited |
|
|
611 | (1) |
|
|
612 | (1) |
|
Problems and Discussion Questions |
|
|
613 | (1) |
|
|
614 | (2) |
|
|
616 | (1) |
|
|
617 | (23) |
|
Allele Frequencies in Population Gene Pools Vary in Space and Time |
|
|
618 | (1) |
|
The Hardy--Weinberg Law Describes the Relationship between Allele Frequencies and Genotype Frequencies in an Ideal Population |
|
|
618 | (2) |
|
The Hardy--Weinberg Law Can Be Applied to Human Populations |
|
|
620 | (2) |
|
Testing for Hardy--Weinberg Equilibrium |
|
|
622 | (1) |
|
The Hardy--Weinberg Law Can Be Used for Multiple Alleles, X-Linked Traits, and Estimating Heterozygote Frequencies |
|
|
622 | (2) |
|
Calculating Frequencies for Multiple Alleles |
|
|
622 | (1) |
|
Calculating Frequencies for X-linked Traits |
|
|
623 | (1) |
|
Calculating Heterozygote Frequency |
|
|
624 | (1) |
|
Natural Selection Is a Major Force Driving Allele Frequency Change |
|
|
624 | (5) |
|
|
624 | (1) |
|
|
625 | (2) |
|
Selection in Natural Populations |
|
|
627 | (1) |
|
Natural Selection and Quantitative Traits |
|
|
628 | (1) |
|
Mutation Creates New Alleles in a Gene Pool |
|
|
629 | (1) |
|
Migration and Gene Flow Can Alter Allele Frequencies |
|
|
630 | (2) |
|
Genetic Drift Causes Random Changes in Allele Frequency in Small Populations |
|
|
632 | (1) |
|
Nonrandom Mating Changes Genotype Frequency but Not Allele Frequency |
|
|
632 | (8) |
|
|
633 | (1) |
|
Genetic Effects of Inbreeding |
|
|
634 | (1) |
|
Genetics, Technology, and Society |
|
|
635 | (1) |
|
Tracking Our Genetic Footprints out of Africa |
|
|
635 | (1) |
|
|
636 | (1) |
|
|
636 | (1) |
|
Problems and Discussion Questions |
|
|
637 | (1) |
|
|
638 | (1) |
|
|
638 | (2) |
|
|
640 | (23) |
|
Speciation Can Occur by Transformation or by Splitting Gene Pools |
|
|
641 | (1) |
|
Most Populations and Species Harbor Considerable Genetic Variation |
|
|
642 | (2) |
|
|
642 | (1) |
|
|
642 | (1) |
|
Variations in Nucleotide Sequence |
|
|
643 | (1) |
|
Explaining the High Level of Genetic Variation in Populations |
|
|
644 | (1) |
|
The Genetic Structure of Populations Changes across Space and Time |
|
|
644 | (3) |
|
The Definition of Species Is a Great Challenge for Evolutionary Biology |
|
|
647 | (1) |
|
A Reduction in Gene Flow between Populations, Accompanied by Divergent Selection or Genetic Drift, Can Lead to Speciation |
|
|
647 | (6) |
|
|
649 | (1) |
|
The Minimum Genetic Divergence Required for Speciation |
|
|
649 | (2) |
|
In at Least Some Instances, Speciation Is Rapid |
|
|
651 | (2) |
|
We Can Use Genetic Differences among Populations or Species to Reconstruct Evolutionary History |
|
|
653 | (3) |
|
A Method for Estimating Evolutionary Trees from Genetic Data |
|
|
653 | (2) |
|
|
655 | (1) |
|
Reconstructing Evolutionary History Allows Us to Answer a Variety of Questions |
|
|
656 | (7) |
|
Transmission of HIV from a Dentist to His Patients |
|
|
656 | (1) |
|
The Relationship of Neanderthals to Modern Humans |
|
|
657 | (1) |
|
The Origin of Mitochondria |
|
|
657 | (1) |
|
|
658 | (1) |
|
Genetics, Technology, and Society |
|
|
659 | (1) |
|
What Can We Learn from the Failure of the Eugenics Movement? |
|
|
659 | (1) |
|
|
660 | (1) |
|
Problems and Discussion Questions |
|
|
660 | (1) |
|
|
661 | (1) |
|
|
662 | (1) |
|
|
663 | |
|
Genetic Diversity Is at the Heart of Conservation Genetics |
|
|
664 | (2) |
|
Loss of Genetic Diversity |
|
|
665 | (1) |
|
Identifying Genetic Diversity |
|
|
666 | (1) |
|
Population Size Has a Major Impact on Species Survival |
|
|
666 | (2) |
|
Genetic Effects Are More Pronounced in Small, Isolated Populations |
|
|
668 | (2) |
|
|
668 | (1) |
|
|
668 | (1) |
|
|
669 | (1) |
|
Genetic Erosion Diminishes Genetic Diversity |
|
|
670 | (1) |
|
Conservation of Genetic Diversity Is Essential to Species Survival |
|
|
670 | |
|
Ex Situ Conservation: Captive Breeding |
|
|
671 | (1) |
|
Captive Breeding: The Black-Footed Ferret |
|
|
671 | (1) |
|
Ex Situ Conservation and Gene Banks |
|
|
672 | (1) |
|
|
672 | (1) |
|
|
673 | (1) |
|
Genetics, Technology, and Society |
|
|
674 | (1) |
|
Gene Pools and Endangered Species: The Plight of the Florida Panther |
|
|
674 | (1) |
|
|
675 | (1) |
|
|
675 | (1) |
|
Problems and Discussion Questions |
|
|
675 | (1) |
|
|
676 | (1) |
|
|
677 | |
Appendix A Glossary |
|
1 | (16) |
Appendix B Answers |
|
17 | |
Credits |
|
1 | (1) |
Index |
|
1 | |