Question

On the basis of twin studies and other kinship evidence, researchers estimate that about __________ of the differences in iq among children can be traced to their genetic makeup.

Answer 1

The correct answer is about half of the difference in IQ. It is because when associated with genetic make-up, about half of the difference in IQ are likely to be trace to the children’s genetic make-up. This could be referred to the nature, nurture, and iq controversy.