Pinel ended his discussion of the genetics of human psychological differences with a description of the study of Turkheimer and colleagues (2003). The important finding of this study was that

Question

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The study by Turkheimer and colleagues found that among the very poor, the heritability estimate of IQ was close to zero, whereas among the affluent, the heritability estimate of IQ was close to one. Therefore, both option A and B are correct, and the answer is D. Option C is incorrect as the study did not suggest that IQ in adult humans is almost entirely genetic. Option E is incorrect as it suggests that both B and C are correct, which is not the case.

Pinel Ended His Discussion of the Genetics of Human Psychological