notes.9.10

notes.9.10 - Psych 9/10/08 Nature-Nurture Debate - How do...

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Psych 9/10/08 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 behavior. Does it arise from: o Nature – genes o Nurture – environment - Nature – genes o Genes come in pairs in the DNA strands in our chromosomes Each chromosome has 2 alleles Each allele has 1 version of a gene So 2 genes for each chromosome o Genes influence their force through building and modifying physical structures of the body o Genes influence the production and activity of protein molecules o Genes can influence behavior by influencing the development of areas of the brain o A single gene can have multiple effects on different phenotypes (pleiotrophy) o Many genes can affect a phenotype (polygenic) Most behavioral phenotypes are polygenic o Some genes impact their influence by impacting sets of other genes (epistatic) - Nature – environment o What is it Womb
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This note was uploaded on 09/23/2008 for the course PSY 11 taught by Professor Roberts during the Fall '07 term at Duke.

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notes.9.10 - Psych 9/10/08 Nature-Nurture Debate - How do...

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