PSY BEH 101D Lecture Notes - Lecture 11: Twin, Twin Study, Heredity
17 Dec 2019
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Notes (1) heredity and environment interaction: nature-nurture debate. Behavior genetics: behavior genetics: field that seeks to discover the influence of heredity. & environment on individual differences in human traits & development: most common twin study. Behavioral similarity of identical twins is compared with the behavioral similarity of fraternal twins: note: fraternal twins share the same womb, but are no more genetically alike than non-twin siblings. Basic knowledge identical twins are more genetically. Issues with interpretation of twin studies similar than fraternal twins. One study found that conduct problems were more. Investigators seek to discover whether the behavior & Heredity-environment correlations psychological characteristics of adopted children are more like those of their adoptive parents (environment) or biological parents (heredity) environments to which they are exposed: individuals" genes may be systematically related to the types of. Ex: the parents might have a genetic predisposition to be intelligent & read skillfully.
