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xiv | |
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xviii | |
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xix | |
Preface |
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xxi | |
Acknowledgments |
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xxiii | |
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1 Introduction to Behavior Genetics |
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3 | (22) |
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1.1 A Brief History of Behavior Genetics |
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3 | (7) |
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1.2 Behavior Genetics Focuses on Understanding Individual Differences in Behavior |
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10 | (3) |
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1.3 Pathways from Genes to Behaviors Cross Levels of Analysis |
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13 | (3) |
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1.4 Non-Human Animal Models Are Essential in Behavior Genetics |
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16 | (4) |
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1.5 Ethical Oversight of Behavior Genetic Research Is Necessary |
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20 | (2) |
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22 | (3) |
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22 | (1) |
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23 | (2) |
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25 | (21) |
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2.1 Developments in Science, Agriculture, and Medicine Set the Stage for Understanding Heredity |
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25 | (1) |
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2.2 Early Thinking about Generation |
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26 | (3) |
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2.3 Gregor Mendel: Early Depression and Failures |
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29 | (1) |
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2.4 Experimental Hybridization Was the Key |
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30 | (2) |
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2.5 Mendel's Law of Segregation Describes Inheritance of a Single Locus |
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32 | (3) |
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2.6 Mendel's Law of Independent Assortment Describes Inheritance of Multiple Loci |
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35 | (1) |
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2.7 Mendel's Laws Are Used to Map Relative Positions of Genes on Chromosomes |
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36 | (6) |
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2.8 Mendelian Disorders in Humans Are Caused by Variants in Single Genes |
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42 | (2) |
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44 | (2) |
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45 | (1) |
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45 | (1) |
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46 | (27) |
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3.1 Genetic Factors That Affect Quantitative Traits Are Inherited in Mendelian Fashion |
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46 | (2) |
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3.2 Phenotypic Variation in a Population May Be Due to Genetic and Environmental Sources |
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48 | (4) |
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3.3 Genetic Variance May Be Due to Polygenes, Dominance, and Epistatic Interactions |
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52 | (1) |
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3.4 There Are Many Sources of Environmental Variance |
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53 | (5) |
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3.5 Heritability Indexes Degree of Phenotypic Variance Due to Genetic Effects |
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58 | (8) |
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3.6 Beware of the Potential for Misunderstanding and Bias |
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66 | (1) |
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67 | (6) |
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68 | (1) |
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68 | (5) |
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Part II Molecules and Cells |
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73 | (21) |
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4.1 Chromosomes Carry Hereditary Material |
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73 | (4) |
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4.2 The Structure of DNA Determines Its Functions |
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77 | (3) |
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4.3 DNA Replication Involves Making Copies |
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80 | (1) |
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4.4 DNA Sequence Specifies Amino Acid Sequence in Proteins |
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81 | (4) |
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4.5 Epigenetic Processes Regulate Gene Expression |
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85 | (4) |
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89 | (3) |
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92 | (2) |
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93 | (1) |
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93 | (1) |
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94 | (23) |
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5.1 There Are Different Types of Genetic Variation |
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94 | (5) |
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5.2 How Genetic Differences Play a Role in Phenotype Differences |
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99 | (3) |
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5.3 Assessing Genetic Variation |
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102 | (5) |
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5.4 Non-Experimental Methods: Testing Associations between Genetic Variants and Behavior |
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107 | (3) |
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5.5 Experimental Methods: Generating Genetic Variation |
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110 | (3) |
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5.6 The Human Genome Project Changed Biomedical Science |
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113 | (2) |
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115 | (2) |
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115 | (1) |
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116 | (1) |
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117 | (28) |
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6.1 Neurons Are Cells Specialized for Communication |
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117 | (5) |
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6.2 Genetic Variation for Neural Components Is Common |
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122 | (4) |
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6.3 Formation and Maintenance of Synapses and Circuits Depends on Genes |
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126 | (5) |
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6.4 Genetic Variation Affects Neural Activation Patterns |
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131 | (5) |
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6.5 Genetic Variation Can Moderate the Impact of Drugs on Neural Activity |
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136 | (4) |
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140 | (5) |
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140 | (1) |
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141 | (4) |
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Part III Behaviors and Behavioral Disorders |
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145 | (24) |
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7.1 Mental Illness and Its Impact |
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145 | (2) |
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7.2 Risk for Developing Mental Illness |
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147 | (2) |
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7.3 How Should Behavior Genetics Researchers Think About Mental Illness? |
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149 | (5) |
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7.4 Schizophrenia Signs, Symptoms, and Diagnostic Criteria |
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154 | (1) |
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7.5 Neurobiology of Schizophrenia |
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155 | (2) |
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7.6 Schizophrenia Genetics: Heritability |
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157 | (2) |
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7.7 Schizophrenia Genetics: Molecular Genetics |
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159 | (4) |
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7.8 Schizophrenia Genetics: Non-Human Animal Models |
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163 | (2) |
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165 | (4) |
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165 | (1) |
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166 | (3) |
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169 | (25) |
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8.1 Intelligence Is Indexed by IQ Tests |
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169 | (2) |
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8.2 Intellectual Disability Is a Developmental Disorder with Multiple Causes |
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171 | (6) |
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8.3 Learning Disorders Are Not Considered Intellectual Disabilities |
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177 | (2) |
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8.4 Memory Is a Crucial Aspect of Cognitive Ability |
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179 | (5) |
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8.5 Alzheimer Disease Is a Common Cause of Neurocognitive Disorder |
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184 | (5) |
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189 | (5) |
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190 | (1) |
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190 | (4) |
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9 Emotion and Depressive Disorders |
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194 | (28) |
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9.1 Emotions Prepare for Action and Communicate |
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194 | (2) |
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9.2 There Are Many Ways to Measure Emotion |
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196 | (3) |
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9.3 Emotion Regulation Difficulties May Lead to Psychopathology |
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199 | (2) |
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9.4 Mood Disorders Are Common, and Symptomatically Heterogeneous |
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201 | (3) |
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9.5 Prevalence and Symptoms of Depressive Disorders |
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204 | (2) |
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9.6 The Genetic Epidemiology of Depressive Disorders |
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206 | (2) |
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9.7 Efforts to Characterize Genetic Mechanisms of Depressive Disorders Are Ongoing |
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208 | (4) |
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9.8 Genetic Evidence from Non-Human Animal Models |
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212 | (4) |
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216 | (6) |
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217 | (1) |
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218 | (4) |
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222 | (26) |
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10.1 Fear and Anxiety Are Defensive Responses to Threats |
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222 | (3) |
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10.2 The Genetics of Fear and Anxiety in Mice |
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225 | (4) |
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10.3 Anxiety-Related Personality Traits as Phenotypes for Genetic Analysis |
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229 | (2) |
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10.4 Anxiety Disorders Are Common |
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231 | (3) |
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10.5 Anxiety Disorders Run in Families and Are Polygenic |
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234 | (3) |
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10.6 Obsessive--Compulsive and Related Disorders |
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237 | (3) |
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10.7 Trauma- and Stressor-Related Disorders |
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240 | (3) |
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243 | (5) |
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244 | (1) |
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244 | (4) |
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248 | (31) |
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11.1 Addiction Is Characterized by Impaired Control Over Substance Use, Tolerance, and Withdrawal |
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248 | (6) |
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11.2 The Neurobiology of Addiction |
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254 | (3) |
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11.3 Non-Human Animal Models of Alcohol Use Disorder Genetics |
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257 | (5) |
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11.4 Alcohol-Related Traits and Alcohol Use Disorder Run in Families |
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262 | (3) |
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11.5 Alcohol Metabolism Genes Affect Risk for Alcohol Use Disorder |
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265 | (4) |
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11.6 There Are Many Genes That Contribute to Risk for Alcohol Use Disorder |
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269 | (4) |
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273 | (6) |
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273 | (1) |
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273 | (6) |
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Part IV Health, Social Behavior, and Implications |
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279 | (27) |
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12.1 Eating and Exercising in Context |
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279 | (5) |
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12.2 Genetic Variation Partially Explains Risk for Obesity |
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284 | (5) |
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12.3 Genetic Variation Partially Explains Risk for Eating Disorders |
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289 | (7) |
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12.4 Exercise Motivation and Benefits Show Genetic Influence |
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296 | (5) |
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301 | (5) |
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302 | (1) |
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302 | (4) |
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306 | (25) |
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13.1 Individual Differences in Social Behavior Are an Important Part of Life |
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306 | (3) |
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13.2 The Neurobiology of Social Behavior |
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309 | (2) |
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13.3 Individual Differences in Social Cognition and Sociability |
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311 | (3) |
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13.4 Affiliation and Attachment |
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314 | (6) |
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13.5 Sexual Behavior Circuits |
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320 | (4) |
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13.6 Aggression: Harming Someone Else |
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324 | (2) |
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326 | (5) |
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327 | (1) |
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327 | (4) |
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14 Behavior Genetics in Real Life |
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331 | (20) |
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14.1 Direct-to-Consumer Genetic Testing |
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331 | (6) |
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14.2 Precision Medicine for Mental Illness |
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337 | (3) |
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14.3 Behavior Genetics and the Justice System |
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340 | (3) |
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343 | (2) |
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14.5 What Use Is Behavior Genetics? |
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345 | (3) |
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348 | (3) |
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349 | (1) |
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349 | (2) |
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351 | (21) |
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351 | (3) |
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15.2 Galton's Theory and Its Reception |
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354 | (2) |
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15.3 The Eugenics Records Office in the United States |
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356 | (3) |
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15.4 Involuntary Sterilization Laws and Immigration Policies |
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359 | (5) |
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15.5 America Exports Eugenics to Nazi Germany |
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364 | (2) |
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15.6 Race and Its Place in Behavior Genetics |
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366 | (3) |
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369 | (3) |
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370 | (1) |
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370 | (2) |
Glossary |
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372 | (22) |
Index |
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394 | |