Given the research on schizophrenia involving the offspring of twins, all of the following are accurate statements EXCEPT that
A. the child of a schizophrenic identical twin has the same risk (17%) 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% 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."
Answer: C
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a. True b. False
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______ are more likely than ______ to demonstrate postformal reasoning.
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