A small difference between the concordance rates seen in fraternal and identical suggests that:
A)variation due to genotype is far more important than variation due to environment.
B)variation due to genotype is far less important than variation due to environment.
C)variation due to genotype is about equally as important as that due to environment.
D)the trait is probably due to a single gene that shows Mendelian inheritance patterns.
E)the genes affecting the trait interact strongly with the environment.

Question

Quizplus · Accepted Answer

A small difference in concordance rates between fraternal and identical twins suggests that environmental factors play a larger role than genetic factors in the trait being studied, as identical twins share more of their genetics compared to fraternal twins.

A Small Difference Between the Concordance Rates Seen in Fraternal