Lecture10NatureNurture

Lecture10NatureNurture - Outline Social Nature vs. Nurture...

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1 Nature vs. Nurture General Psychology February 9, 2010 Outline s What are nature and nurture? s Genes and the Environment s Methods b Studies of Heritability b Behavioral Genetics Social Cellular Physiological Mental Behavioral Molecular Where does variability come from? s Domestication b Artificial Selection Silver Fox Selective Breeding Experiment s Belyaev (1950s) b Selected animals for ONLY tameness
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2 Silver Fox Selective Breeding Experiment s Belyaev (1950s) b Selected animals for ONLY tameness s Dramatic behavioral changes in ____ generations! Selection for tameness s Dmitry Belyaev noticed that many domestic animals had similar feature b Piebald coloration b Floppy ears b Non-seasonal reproduction b Curled tails Natural Selection s This type of dramatic change can occur naturally s Unusual traits can be passed on to offspring s Over time new varieties/breeds could change so much that they became new species s Among the range of inherited variations, those that lead to increased reproduction and survival will most likely be passed on to succeeding generations. Evolution s Change in a population's inherited characteristics across generations
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3 Evolution s Change in a population's inherited characteristics across generations
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This note was uploaded on 11/13/2010 for the course PSY PSY 001 taught by Professor Unknown during the Spring '10 term at UC Davis.

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Lecture10NatureNurture - Outline Social Nature vs. Nurture...

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