define codominance in genetics
When both alleles are present, they are both expressed in the phenotype. The hybrid is a blend of both alleles. Alleles which are equally strong are said to be incomplete dominant alleles. An example of this is found in carnations. When purebred white carnations are crossed with purebred red carnations, the result is a pink carnation. Incomplete dominant alleles are represented by different capitalized letters. Codominance, is a situation in which both alleles are equally stong and both alleles are visible in the hybrid genotype. An example of codominance is found in chickens. When white chickens are crossed with black chickens, the result is not a grey chicken, but a chicken with both black and white feathers. When expressing incomplete alleles, both alleles are written as superscipt capital letters placed above the letter i.