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Where do genes come from?

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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Where do genes come from?

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  1. Behaviour and genetics Where do genes come from? Martin Sheen Charlie Sheen

  2. Behaviour and genetics Genotype vs Phenotype

  3. Behaviour and genetics What behavioral patterns can be inherited? • Religion? • Happiness? • Intelligence? • Extroversion (outgoingness)? • Morality? • Nervousness? • Aggressiveness? • Political attitudes? • Job preference?

  4. Behaviour and genetics How could we find out to what extent behaviors can be inherited?

  5. Family Studies

  6. Family studies Any problems with this approach? Heritage vs environment?

  7. Adoption studies

  8. Adoption studies: fill in the blanks

  9. Twin Studies Mono-Zygotic Twins Di-Zygotic twins are just siblings

  10. Twin Studies: fill in the blanks

  11. The Gold Standard: MZ Twins reared apart

  12. The Gold Standard: MZ Twins reared apart

  13. Bouchard (1990): Minnesota Study of Twins Reared Apart

  14. Bouchard (1990): Minnesota Study of Twins Reared Apart Concordance rates for some characteristics

  15. Bouchard (1990): Minnesota Study of Twins Reared Apart Concordance rates for some characteristics

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