Which of the following is generally considered to be evidence in favor of a genetic influence on behavior?

A) Adopted children resemble their adoptive parents more than they resemble their biological parents.
B) Adopted children resemble their biological parents more than they resemble their adoptive parents.
C) Dizygotic twins resemble each other more than monozygotic twins do.
D) Monozygotic twins reared together resemble each other more than monozygotic twins reared apart do.

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Forest Dempsey · Accepted Answer

Final Answer : B, Explanation :  Adopted children resembling their biological parents more than their adoptive parents suggests that genetics play a significant role in behavior. This is because biological parents share genetic material with their children, while adoptive parents do not. The fact that adopted children resemble their biological parents more strongly suggests that behavior is, at least in part, inherited.

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