The concordance rate for alcoholism in identical twins has been found to be significantly lower than the concordance rate for fraternal twins.

Question

Quizplus · Accepted Answer

Studies have shown that the concordance rate for alcoholism is generally higher in identical twins than in fraternal twins, indicating a genetic component to the risk of developing alcoholism. Identical twins share more genetic material than fraternal twins, which likely accounts for the higher concordance rates observed.

The Concordance Rate for Alcoholism in Identical Twins Has Been