suppressor gene

English Thesaurus

1. a gene that suppresses the phenotypic expression of another gene (especially of a mutant gene) (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)

hyponym	:	tumor suppressor gene,
definition	:	a suppressor gene that blocks unscheduled cell division (noun.body)