lethal gene

English Thesaurus

1. any gene that has an effect that causes the death of the organism at any stage of life (noun.body)

hypernym	:	cistron, factor, gene,
definition	:	(genetics) a segment of DNA that is involved in producing a polypeptide chain; it can include regions preceding and following the coding DNA as well as introns between the exons; it is considered a unit of heredity (noun.body)