Dictionary

lethal gene

noun

Definition of LETHAL GENE

:  a gene that in some (as homozygous) conditions may prevent development or cause the death of an organism or its germ cells —called also lethal factor, lethal mutant, lethal mutation

First Known Use of LETHAL GENE

1939

lethal gene

noun    (Medical Dictionary)

Medical Definition of LETHAL GENE

:  a gene that in some (as homozygous) conditions may prevent development or cause the death of an organism or its germ cells—called also lethal factor, lethal mutant, lethal mutation

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