Select the Statement About Heredity and Intelligence That Is Correct

Select the statement about heredity and intelligence that is correct.

A) IQ scores are usually more alike for identical twins than for fraternal twins.
B) Biological siblings tend to be less alike in intelligence than a child and an adopted sibling.
C) Verbal and spatial abilities are less influenced by heredity than are memory skills.
D) Children's IQ scores show distinctive patterns of spurts and lags that appear to be genetically influenced.