lethal gene

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noun Genetics.

a gene that under certain conditions causes the death of an organism.

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Also called lethal factor, lethal mutation.

Origin of lethal gene

First recorded in 1935–40

Words nearby lethal gene

let grass grow, Letha, lethal, lethal chamber, lethal dose, lethal gene, lethality, lethargic, lethargize, lethargy, Lethbridge