... >> Natural Science >> Zoology >> Codominance
Definition: A condition in which each allele maintains its distinctive homozygous expression in the heterozygous condition, not a blending of the separate homozygous phenotypes (contrasts with intermediate inheritance). Genes for A and B blood types show codominance.
Source: Hickman, C.P., et al. 2011. Integrated Principles of Zoology. Fifteenth Edition. McGraw-Hill Higher Education.