Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • adjective Of or relating to two alleles of a gene that are both fully expressed in a heterozygote.
  • adjective 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.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • adjective genetics Describing two or more alleles that are equally dominant.

Etymologies

from Wiktionary, Creative Commons Attribution/Share-Alike License

From co- +‎ dominant.

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Examples

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