codominant

/koʊˈdɑmɪnənt/
noun
  1. A gene or trait that is codominant with another.
    • The ABO blood group system includes codominants like the A and B alleles.
    • Scientists studied the codominants in the flower population to understand inheritance patterns.
    • When both codominants are present, the organism shows both traits at once.
  2. In ecology, a species that shares dominance with one or more other species in a community.
    • The oak is a codominant in this forest, along with the maple.
    • Removing one codominant can change the entire structure of the plant community.
    • Each codominant plays a key role in maintaining the ecosystem's balance.
adjective
  1. In genetics, describing two different versions of a gene that are both fully expressed in a person or animal, so that neither one hides the other.
    • Codominant markers are useful for studying genetic diversity in populations.
    • In codominant inheritance, a person with one allele for type A blood and one for type B will have type AB blood.
    • The flower's color showed codominant traits, with both red and white petals appearing together.
  2. In ecology, describing two or more species that share equal control or influence over a community or habitat.
    • In this forest, oak and hickory are codominant species in the canopy.
    • The grassland has codominant grasses that together provide food for many animals.
    • Codominant plants often compete for sunlight and nutrients in the same area.
Antonyms
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