Chapter 6: Genetics and Personality The Human Genome Controversy about Genes and Personality Goals of Behavioral Genetics What Is Heritability? Misconceptions about HeritabilityNature-Nurture Debate ClarifiedBehavioral Genetic Methods Selective Breeding—Studies of Humans’ Best FriendFamily StudiesTwin StudiesAdoption StudiesMajor Findings from Behavioral Genetic Research Personality TraitsAttitudes and PreferencesDrinking and SmokingShared versus Nonshared Environmental Influences: A Riddle Genes and the Environment Genotype-Environment InteractionGenotype-Environment CorrelationMolecular Genetics Behavioral Genetics, Science, Politics, and Values SUMMARY AND EVALUATION |