codominant(redirected from codominant trait)
Also found in: Medical.
Related to codominant trait: codominant alleles
1. Of or relating to two alleles of a gene that are both fully expressed in a heterozygote.
2. Being one of two or more of the most common or important species in an ecological community and influencing the presence and type of other species in the community.
(Genetics) genetics (of genes) having both alleles expressed equally in the phenotype of the organism