Which of the following is true regarding the role of genes in schizophrenia??
a. ?A single gene has been identified for schizophrenia that is present in most families that experience more than one case of the disorder.
b. ?There is little support for a genetic basis for schizophrenia.
c. ?Based on adoption studies, socioeconomic status is more determinative of schizophrenia than genetic factors.
d. ?A large number of different genes have been implicated in the development of schizophrenia and appear to overlap with those involved with bipolar disorder.
ANSWER:
d
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