If the heritability of a trait was .50, we would expect to see the highest concordance rates among:
A) identical twins raised together in the same home
B) identical twins raised in different homes
C) fraternal twins raised in different homes
D) unrelated individuals

Question

Quizplus · Accepted Answer

Concordance refers to the extent to which biologically related people show similar characteristics. A heritability of .50 suggests that genetics and environment contribute relatively equally to the expression of the trait. Thus, the individuals who share both the highest genetic makeup and share an environment would be expected to show the most similar characteristics.

If the Heritability of a Trait Was