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Cali Fornia Cali Fornia
wrote...
Posts: 5080
7 years ago
Explain codominance using the ABO blood groups as an example.
Textbook 
Human Anatomy & Physiology

Human Anatomy & Physiology


Edition: 1st
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wrote...
7 years ago
ABO blood types exhibit the phenomenon of codominance, meaning that some alleles are equally dominant and are therefore equally expressed. IA and IB are codominant alleles, while i is recessive. Someone who is IA IB genotype expresses both A and B antigens on the surface of their red blood cells and thus has blood type, or phenotype, AB.
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