PSYC 100 Lecture Notes - Lecture 3: Wyeth, False Dilemma, Twin
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PSYC 100 Full Course Notes
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Psyc 100: week 3 lecture notes (sept 27, 2017) Iq: ~25,000 genes 99. 5% the same, phenotype vs. genotype, heterozygous (dominant and recessive allele, homozygous (same allele) Behavioural genomics: from francis galton, hereditary genius (1869, 50% of talented people had talented ancestors, genius is heritable (?, nature vs. nurture (from genetics or environment?, nativism vs. empiricism. Twin studies: monozygotic twins (mz, 43% concordance, same genes, different due to environment, dizygotic twins (dz, 17% concordance, different genes. Adoption studies: environment is randomized mz and dz separated at birth, mz = 28, dz = 12, genes x environment = a false dichotomy. Evolutionary psychology and functionalism: how did behaviours contribute to evolution, william jones would be pleased, successful genes persist, ex. How to know which traits are currently adaptive: favour males who"ve obtained something hard to get (ex. successful men, peacocks with beautiful tails, etc. , mating costs vary a lot, parental investment theory (ex. baby elephants) Cost is higher for females than males.
