If a schizophrenia patient has an identical twin, that twin
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Answer: A. Will have a 46 percent chance of becoming schizophrenic
Explanation
Identical twins share one hundred percent of their genetic material. Due to shared genetics, an identical twin of someone with schizophrenia has a forty-six percent risk. Genetic vulnerability plays a major role in the development of schizophrenia spectrum disorders. Twin studies are crucial behavioral genetics methods for estimating heritability of traits and diseases. The lifetime prevalence of schizophrenia in the general population is roughly one percent. Environmental factors and non-shared life experiences also contribute significantly to disease onset.
Genetic counseling for families with a history of schizophrenia incorporates twin study risk data. Psychiatric researchers study genetic markers to understand the biological mechanisms of psychosis. Differentiating genetic and environmental influences helps scientists improve prevention strategies. Option B suggests no increased risk, ignoring established genetic heritability data. Option C claims absolute certainty, overlooking the influence of environmental factors. Option D mentions multiple personalities, which describes dissociative identity rather than schizophrenia.
- Subject
- Psychology
- Category
- Psychology
- Topic
- —
- Difficulty
- medium
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