Although Heritability Estimates Offer Convincing Evidence That Genes Contribute to IQ,they

Although heritability estimates offer convincing evidence that genes contribute to IQ,they

A) do not reveal the complex process through which genes and experiences influence intelligence as children develop.
B) tend to underestimate genetic influences.
C) tend to overestimate environmental influences.
D) often rely on adoption studies,which tell us little about environmental factors that influence IQ.