Multiple Choice
Is there any genetic explanation for substance use disorders?
A) No; present studies are inconclusive, but the possibility of a conclusive finding remains.
B) Yes; although at present, only 10 chromosomes have genes related to substance use disorders, the explanation will probably end up being polygenic.
C) Maybe; there is one "twin" study that seems to support a genetic explanation.
D) Maybe; those with a substance use disorder are more likely than those without a disorder to have an abnormal D2 receptor gene.
Correct Answer:
Verified
Correct Answer:
Verified
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