Suppose that a researcher finds that pairs of identical twins are no more similar on a trait than are pairs of fraternal twins.What can you conclude regarding the contribution of biological and environmental influences to the development of that trait?

Question

Quizplus · Accepted Answer

If pairs of identical twins are no more similar on a trait than pairs of fraternal twins, it suggests that the trait is not strongly influenced by biological factors or heredity. Instead, it is more likely to be shaped by environmental influences, such as upbringing or experiences. This would mean that the heritability coefficient for the trait is likely to be low.

Suppose That a Researcher Finds That Pairs of Identical Twins