Studies of Adopted Children and Both Their Biological and Adoptive

Multiple Choice

Studies of adopted children and both their biological and adoptive parents indicate that

A) heredity does not influence IQ because the IQ scores of adopted children do not resemble those of their biological parents.
B) environment does not influence IQ because the IQ scores of adopted children do not resemble those of their adoptive parents.
C) the impact of the environment on IQ increases as children grow older.
D) the impact of heredity on IQ increases as children grow older.