Behavioral genetics has provided evidence that

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Behavioral genetics has shown that there is a heritable component to personality. While environment plays a significant role as well, the relative contributions of genes and environment can be studied through twin and adoption studies. This means that hereditary factors do help shape personality. Choices A and B are incorrect, as children's genes do not alter as they grow and the basic architecture of personality is not entirely environmental. Choice D is also incorrect, as natural selection is a well-established theory in evolutionary biology.

Behavioral Genetics Has Provided Evidence That