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
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First Known Use of LETHAL GENE

1939
Medical Dictionary

lethal gene

noun

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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