codominant

adj.

1. Genetics. Of or relating to two alleles of a gene pair in a heterozygote that are both fully expressed.
2. 1. Ecology. Being one of two or more of the most characteristic species in a biotic community.
   2. Influencing the presence and type of other species in the community.

n. Ecology
One of the most characteristic species in a biotic community.

(kō-dŏm'ə-nənt)
adj.

Of or relating to an equal degree of dominance of two genes, both being expressed in the phenotype of the individual.