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.
A) a quarter
B) a third
C) half
D) two-thirds

Question

Quizplus · Accepted Answer

Twin studies and other kinship evidence suggest that genetic factors play a significant role in determining IQ. Researchers estimate that around 50% of the differences in IQ among children can be attributed to their genetic makeup. However, it is important to note that environmental factors also play a role in shaping IQ, and the exact contribution of genes vs. environment is still a topic of ongoing research and debate.

On the Basis of Twin Studies and Other Kinship Evidence,researchers