Ch3_Student

Ch3_Student - Chapter 3: Biological Processes PSYCHOLOGY...

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Chapter 3: Biological Processes PSYCHOLOGY 120 Professor LeBreton Chapter 3: Biological Processes Nature vs. Nurture Thornedike: “in the actual race of life…the chief determining factor is heredity” Watson: “Give me a dozen healthy infants…I’ll guarantee to take any one at random and train him to become any type of specialist I might select…regardless of his talents, penchants, tendencies, abilities…and race of ancestors” Truth is in between, but not necessarily in the middle Nature and Nurture account for almost all human traits to one degree or another Genetics Genes: Chromosomes: Pairs of chromosomes: Dominant – Dominant = Dominant – Recessive = Recessive – Recessive = Caution: most human traits are influenced by more than one gene Behavioral Genetics:
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Heritability: Twin Studies and Adoption Studies: Twin Studies Monozygotic Twins: Dizygotic Twins: Adoption Studies Compare correlations of traits of the adopted children with their biological parents and their adopted parents If correlation is higher with the biological parents, it suggests heritability Height vs. Table manners Intelligence Inherited? Correlation rates for Intelligence:
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Ch3_Student - Chapter 3: Biological Processes PSYCHOLOGY...

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