Studies of Genetic Variation Involving the DRD2 Gene Affecting Dopamine

question 94

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

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Definitions:

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