Peter and Paul are identical twins who were given up for adoptions shortly after they were born. Peter was raised by well-educated parents, but Paul was not. It is likely that Peter and Paul have
A) identical IQ scores because they are identical twins.
B) very different IQ scores because they were raised in very different environments.
C) similar IQ scores because they are identical twins, but less so than identical twins raised together.
D) IQ scores more similar than that of identical twins raised in the same environment.
E) none of the above.

Question

Quizplus · Accepted Answer

Identical twins, like Peter and Paul, share the same genetic makeup, which plays a significant role in determining IQ. However, environmental factors, such as the quality of education and parental nurturing, also influence IQ development. Therefore, while Peter and Paul are likely to have similar IQ scores due to their genetic similarity, the difference in their upbringing environments can lead to variations in their IQ scores, making them less similar than identical twins who were raised together in the same environment.

Peter and Paul Are Identical Twins Who Were Given Up