When Researchers Say That the Heritability of Intelligence Is 50%,they

Multiple Choice

When researchers say that the heritability of intelligence is 50%,they mean that

A) about half of a person's intelligence is due to genetic factors.
B) genetics and environment are equally important in determining intelligence.
C) 50% of the variation in a population's IQ scores is due to genetics.
D) half of the population lies within the normal range for intelligence.