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Given the Research on Schizophrenia Involving the Offspring of Twins,all

Question 59

Multiple Choice

Given the research on schizophrenia involving the offspring of twins,all of the following are accurate statements that

A) the child of a schizophrenic identical twin has the same risk (17 percent) of having the disorder as the child of the non-schizophrenic identical twin.
B) the child of a non-schizophrenic fraternal twin has about a 2 percent risk of having the disorder.
C) a mentally healthy individual with a schizophrenic parent cannot pass on a genetic predisposition for the disorder to his or her offspring.
D) an individual can be free from schizophrenia but still be a "carrier."

Correct Answer: