A Norfolk chicken has feathers that have an overall gray appearance, but if you look at an individual feather, it is either black or white. Feather color in these birds is expressed as __________.

Question

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Codominance occurs when both alleles in a gene pair are fully expressed, resulting in offspring with a phenotype that is neither dominant nor recessive but a combination of both. In the case of the Norfolk chicken, the presence of both black and white feathers, with neither color blending to produce a new color, is an example of codominance.

A Norfolk Chicken Has Feathers That Have an Overall Gray