n. A gene that cause fruit flies—and perhaps humans—to more readily succumb to the effects of alcohol.

Example Citation:
"Researchers seeking insights into the genetics of human alcoholism are trying a new technique—getting fruit flies drunk.

They have found a gene, nicknamed 'cheapdate,' that makes it easier for flies to get drunk. The research suggests a similar gene may play a role in human susceptibility to alcohol, said scientists at the Ernest Gallo Clinic and Research Center at the University of California at San Francisco."
—Reuters, "Tipsy Flies Aid Study," The New York Times

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