codominant

adjective

co·​dom·​i·​nant ˌkō-ˈdä-mə-nənt 

-ˈdäm-nənt

1

a

: forming part of the main canopy of a forest

codominant trees

b

: sharing in the controlling influence of a biotic community

2

: being fully expressed in the heterozygous condition

codominant alleles

codominant noun

Examples of codominant in a Sentence

Recent Examples on the Web

Just one of the three stems that split off is the size of a large tree, said Doran, who said the redwood had three codominant trunks that formed when the plant was young. —Annie Vainshtein, San Francisco Chronicle, 27 Mar. 2023

Word History

First Known Use

1882, in the meaning defined at sense 1a

Medical Definition

codominant

adjective

co·​dom·​i·​nant (ˈ)kō-ˈdäm-ə-nənt 

: being fully expressed in the heterozygous condition

the alleles controlling blood groups A and B are codominant since an individual with both alleles belongs to blood group AB

codominant noun