A gene for alcohol toxicity, not drinking behavior.
Apparently contradictory results concerning association of an allele of a human dopamine receptor gene with alcoholism are explained by the gene's being involved with ethanol toxicity, not drinking behavior.
Goodman
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RM
D000428:Alcohol Drinking / Q000235:genetics*; D000437:Alcoholism / Q000235:genetics*; D000483:Alleles; D000818:Animals; D000431:Ethanol / Q000633:toxicity*; D005796:Genes; D020022:Genetic Predisposition to Disease; D006801:Humans; D008954:Models, Biological; D051381:Rats
D000431:Ethanol