A type of gene allele that maifests its effect only if it is present on both member of a homologous pair of chromosomes or is present on an unmatched sex chromosome (such as the x chromosme In males).

RECESSIVE ALLELE: "A recessive allele can be present on an unmatched chromosome."
Cite this page: N., Pam M.S., "RECESSIVE ALLELE," in, April 28, 2013, (accessed October 20, 2021).