Identify a True Statement About the Heritability of Intelligence

Multiple Choice

Identify a true statement about the heritability of intelligence. 

A) Studies generally suggest that the heritability of intelligence is less than 20%. 
B) The intelligence quotient scores of dizygotic twins are more alike than scores for any other pairs. 
C) Being reared together is related with similarities in intelligence quotient. 
D) The correlations in intelligence between dizygotic twin pairs are lower than those between other siblings.