Which of the following statements about genetic factors in schizophrenia is accurate?
A) Close relatives of those with schizophrenia are more likely to be diagnosed with schizophrenia than distant relatives of those with schizophrenia.
B) Fraternal twins have a higher concordance rate for schizophrenia than do identical twins.
C) Those with schizophrenia who have been adopted are more like their adoptive parents than like their biological parents.
D) Recent family studies eliminate the confounding of environment and genetics.
Ans: A) Close relatives of those with schizophrenia are more likely to be diagnosed with schizophrenia than distant relatives of those with schizophrenia.
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