If a person suffering from schizophrenia has an identical twin that twin
Correct answer: A. Will have a 46 percent chance of becoming schizophrenic
- A. Will have a 46 percent chance of becoming schizophrenic
- B. Will be no more likely than anyone else to become schizophrenic
- C. is almost sure to become schizophrenic
- D. is also likely to have more than one personality
Explanation
An identical twin of a person with schizophrenia has a substantially elevated risk, historically estimated at about 40 to 50 percent, rather than certainty. The risk reflects genetic vulnerability combined with environmental influences.
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