Heritability estimates based on twin studies are likely ________, while heritability estimates based on broader family relationships are likely ________.
A) overestimated; underestimated
B) underestimated; overestimate
C) more accurate; less accurate
D) less accurate; more accurate

Question

Quizplus · Accepted Answer

Heritability estimates based on twin studies might be overestimated because twins share a very similar environment in addition to their genetic similarities, which can inflate the perceived genetic influence. Estimates based on broader family relationships might be underestimated because they include a wider range of genetic sharing and environmental differences, making it harder to isolate the genetic contribution.

Heritability Estimates Based on Twin Studies Are Likely ________, While