Multiple Choice
Studies of genetic variation involving the DRD2 gene affecting dopamine indicates ____.
A) an increased risk for alcoholism, nicotine, cocaine, and opium dependence
B) environment is a stronger predictor of substance dependence than genes
C) no biological markers have been found yet that show a genetic link with addiction.
D) he relationship between genes and addiction is weak
Correct Answer:
Verified
Correct Answer:
Verified
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