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recalling terms related to non - mendelian inheritance explains inheritance resulting in two dominant alleles being expressed in the ked. incomplete dominance codominance polygenic inheritance
Codominance is a non - Mendelian inheritance pattern. In codominance, two dominant alleles are both expressed in the phenotype. For example, in the ABO blood group system, if a person has the \(I^A\) and \(I^B\) alleles, they have blood type AB, where both the A and B antigens (products of the \(I^A\) and \(I^B\) alleles) are present on the red blood cells. Incomplete dominance results in a blended phenotype (e.g., a cross between a red - flowered plant and a white - flowered plant gives pink - flowered offspring). Polygenic inheritance involves multiple genes contributing to a single trait (e.g., human height).
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Codominance