Which of the Following Is Strong Evidence for an Environmental

Multiple Choice

Which of the following is strong evidence for an environmental contribution to a behavior?

A) Adopted children resemble their biological families with regard to a trait.
B) Monozygotic twins have a higher concordance rate than do dizygotic twins.
C) Dizygotic twins have a lower concordance rate than do monozygotic twins.
D) Adopted children resemble their adopted families with regard to a trait.
E) None of the above are correct.