A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q-R | S | T | U | V | W | X | Y-Z

Codominance

Definition(s)

Situation in which two different alleles for a genetic trait are both expressed.: Definition from: Human Genome Project Information at the U.S. Department of Energy
Codominance is a relationship between two versions of a gene. Individuals receive one version of a gene, called an allele, from each parent. If the alleles are different, the dominant allele usually will be expressed, while the effect of the other allele, called recessive, is masked. In codominance, however, neither allele is recessive and the phenotypes of both alleles are expressed.: Definition from: Talking Glossary of Genetic Terms from the National Human Genome Research Institute


		About Site Map Contact Us
	A service of the U.S. National Library of Medicine®
Home Conditions Genes Chromosomes Handbook Glossary Resources