codominant

adj

1. (not-comparable)Equally dominant.

   “codominant species in a region”

2. (not-comparable)Describing two or more alleles that are equally dominant.

   “A and B are ‘co-dominant’ versions of the same gene, O being the ‘recessive’ form of it.”

noun

1. A species or organism that jointly dominates a region.

   “Landowners cannot afford to cut submerchantable trees, yet many hesitate to cut merchantable dominants and codominants at the risk of downgrading the residual stand.”