Class Notes 3_25

Class Notes 3_25 - d. Reverse Zygosity i. DZ mistaken for...

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Tuesday 3/25/08 Guest Speaker: Evan Taurney (Sp?) 1. NYT article “Genes and politics?” a. 2005 b. 2. Heretability vs Environment a. b. Mice running maze c. Brights vs Dulls d. Environment differences i. Impoverished vs enriched e. Brights became duller in impoverished f. Dulls became brighter in enriched 3. Equal Environment Assumption a. MZ and DZ twins share similar environments b. Fact is that MZ twins ARE treated differently i. Identity confusion ii. Brought up as a unit iii. Inseparable as children iv. Strong level of closeness v. Similar expectations c. Differences in physical appearance profoundly affect treatment by those around us
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Unformatted text preview: d. Reverse Zygosity i. DZ mistaken for MZ ii. MZ still beats out DZ 4. Problems with twin studies a. No twins have been separated at birth i. Some studies have passed off twins separated at age 11 b. Twins have contact after separation i. Influencing each other c. Assumed environments are dissimilar d. Greater physical resemblance e. Selection bias 5. The Macys Gene? a. Personality type? b. Gene for behavior? c. Idiocy of methodology 6. Heritability of what? 7. Personality traits a. Inherently normative b. Reflect biasness c. Open vs close minded d. Class and political bias 8....
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Class Notes 3_25 - d. Reverse Zygosity i. DZ mistaken for...

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