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Related to recessive allele: codominant allele
the member of a pair of alleles that lacks the ability to express itself in the presence of a dominant allele at the same locus. It is expressed only in the homozygous state. Compare dominant allele
. See also autosomal-recessive inheritance
recessive allele or
recessive gene an ALLELE that only shows its effect in the PHENOTYPE when present in a HOMOZYGOTE. When paired with a dominant allele the effect of the recessive allele is hidden. see RECESSIVE CHARACTER.