PSYCH211 Lecture Notes - Lecture 5: Distant Relatives, Behavioural Genetics, Arnold Schwarzenegger
28 Jan 2017
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Behavioural genetics = field of study that asks about effects of genetic and environmental factors on behaviour and development (cid:523)kind of like (cid:498)nature vs. nurture,(cid:499) get idea of strengths(cid:524) News articles attribute a lot to genetics ex. Genes may account for only 50% of human intelligence, genes may have played a part in why people voted for trump. Genotypic (genes you actually have unseen to observer) similarity. Phenotypic (traits expressed observer can see) similarity. Look at the correlations between: individual + close relatives, and individual. You share about 50% of your genes with your siblings could assume similarity would mean you share more of trait with distant relative. Weakness = families may share or differ in environments. Look at the correlations between: adopted person + adopted family (ex. Parents, siblings), and adopted person + biological family (ex. Language (say you were adopted by a french family.
