Why Is It Particularly Useful to Study Identical Twins Who

Multiple Choice

Why is it particularly useful to study identical twins who were raised in different environments?

A) Differences in brain function can easily be identified.
B) Concordance rates tend to be higher.
C) It is possible that the genetics of twins who have been separated have changed in ways to explain any differences found.
D) It is possible that high concordance rates between identical twins reared together is due to their being treated more similarly than nonidentical twins.