Because the environments of most twin pairs are less diverse than those of the general population,
A) heritability estimates are likely to exaggerate the role of heredity.
B) it is often difficult to determine the heritability estimate.
C) it is often difficult to conduct a kinship study.
D) heritability estimates are likely to exaggerate the role of the environment.

Question

Quizplus · Accepted Answer

Heritability estimates are likely to exaggerate the role of heredity because the less diverse environment of most twin pairs makes it difficult to rule out the influence of shared environmental factors. This can lead to an overestimation of the role of genetics in determining a particular trait or behavior.

Because the Environments of Most Twin Pairs Are Less Diverse