Explain the phenomenon of multiple alleles and codominance taking a b o blood group as an example
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in humans ABO system of blood group is a good example of multiple alleles...
three alleles namely IA, IB and IO in which A and B are equally dominant and produce a and b antigens respectively . allele I has no antigen over it and is recessive.
blood group A has antigen A and antibody b.
blood group B has antigen B and antibody a.
blood group AB has both a and b antigens and no anti body.
blood group O has no antigens and has both the antibodies.
itistanvi:
law of co dominance can be applied for the same example
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