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Unformatted text preview: Nature-Nurture Debate • How do we become who we are? • Is it our biology or is it our social interactions? • Nature or Nurture • The debate centers around the origin of nehavior. Does it arrive from” o Nature-genes o Nurture-enviro • Answer is BOTH! • Nature-Genes o Genes come in pairs in the DNA strands in our chromosomes e/ chromo has 2 alleles e/ allele has 1 version of a gene so 2 genes for e/ chromosome • What genes do o Influence through building and modifying structure of the body o Influence the production and activity of protein molecules o Genes can influence behavior by influencing the dvlp of areas of the brain • Gene actions o Single gene can have multiple effects on different phenotypes (pleitorophy) o Many genes can affect a phenotype (polygenic) Most behaviors phenotypes are polygenic o Some genes impact influence by impacting sets of other genes ( epistatic) • Nurture- Enviroment o Enviro- wat is it Womb, diet, parents, school, work, friends...
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This note was uploaded on 04/19/2008 for the course PSY 11 taught by Professor Roberts during the Fall '07 term at Duke.
- Fall '07