modifier gene modifier • modify · · · Info · Definitions · Synonyms · Characters · · modifier gene · · Text Common · · Latin · · Scripts 13 · · Length 5 · · Syllables Definitions · · · (noun) a gene that modifies the effect produced by another gene. Synonyms: modifier, modifier gene. · · Noun Definition 1 Synonyms · · · modifier · · Synonym 1 Characters · · space U+0020 d latin small letter d U+0064 e latin small letter e U+0065 f latin small letter f U+0066 g latin small letter g U+0067 i latin small letter i U+0069 m latin small letter m U+006D n latin small letter n U+006E o latin small letter o U+006F r latin small letter r U+0072