RECESSIVE

I. adjective Date: circa 1673 1. tending to recede, withdrawn 2, 2. producing little or no phenotypic effect when occurring in heterozygous condition with a contrasting allele , expressed only when the determining gene is in the homozygous condition , ~ly adverb ~ness noun II. noun Date: 1900 an organism possessing one or more ~ characters, a ~ character or gene