If there is a strong genetic component to schizophrenia in families,the concordance for identical twins should be __________.

Question

Quizplus · Accepted Answer

The correct answer is A because identical twins share 100% of their genetic material, whereas fraternal twins share an average of 50%. Therefore, if there is a strong genetic component to schizophrenia, we would expect the concordance rate to be higher in identical twins compared to fraternal twins. Research has shown that the concordance rate for identical twins is around 40-50%, while the concordance rate for fraternal twins is around 10%.

If There Is a Strong Genetic Component to Schizophrenia in Families,the