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Behaviour and genetics. Where do genes come from?. Martin Sheen. Charlie Sheen. Behaviour and genetics. Genotype vs Phenotype. Behaviour and genetics. What behavioral patterns can be inherited?. Religion? Happiness? Intelligence? Extroversion (outgoingness)?. Morality?
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Behaviour and genetics Where do genes come from? Martin Sheen Charlie Sheen
Behaviour and genetics Genotype vs Phenotype
Behaviour and genetics What behavioral patterns can be inherited? • Religion? • Happiness? • Intelligence? • Extroversion (outgoingness)? • Morality? • Nervousness? • Aggressiveness? • Political attitudes? • Job preference?
Behaviour and genetics How could we find out to what extent behaviors can be inherited?
Family studies Any problems with this approach? Heritage vs environment?
Twin Studies Mono-Zygotic Twins Di-Zygotic twins are just siblings
Bouchard (1990): Minnesota Study of Twins Reared Apart Concordance rates for some characteristics
Bouchard (1990): Minnesota Study of Twins Reared Apart Concordance rates for some characteristics