Noun | 1. | recessive - an allele that produces its characteristic phenotype only when its paired allele is identical allele, allelomorph - (genetics) either of a pair (or series) of alternative forms of a gene that can occupy the same locus on a particular chromosome and that control the same character; "some alleles are dominant over others" |
Adj. | 1. | recessive - of or pertaining to a recession |
2. | recessive - (of genes) producing its characteristic phenotype only when its allele is identical genetic science, genetics - the branch of biology that studies heredity and variation in organisms dominant - (of genes) producing the same phenotype whether its allele is identical or dissimilar |