recessive(redirected from recessivity)
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a. (of a gene) capable of producing its characteristic phenotype in the organism only when its allele is identical
b. (of a character) controlled by such a gene
a. a recessive gene or character
b. an organism having such a gene or character
An allele that is not expressed phenotypically when present in the heterozygous condition.
An organism homozygous for a recessive gene.