How strongly do monozygotic twins resemble each other in IQ scores?
A)They resemble each other no more closely than two adopted children reared together.
B)They resemble each other about as much as dizygotic twins do.
C)They resemble each other closely only if they were reared together.
D)They resemble each other closely even if they were reared separately.

Question

How strongly do monozygotic twins resemble each other in IQ scores?​
A)They resemble each other no more closely than two adopted children reared together.
B)​They resemble each other about as much as dizygotic twins do.
C)​They resemble each other closely only if they were reared together.
D)​They resemble each other closely even if they were reared separately.

Quizplus · Accepted Answer

Monozygotic twins have identical genetic makeup, which means that they should resemble each other very closely in IQ scores. This is true even if they were reared separately, as studies have shown that their similarities in IQ scores are largely due to genetics rather than environmental factors. Therefore, choice D is the best option.

How Strongly Do Monozygotic Twins Resemble Each Other in IQ