Question

Which Two alleles are codominant in the inheritance of blood groups ?

Answer 1

combination of alleles. …traits, however,alleles may be codominant—i.e., neither acts as dominant or recessive. An example is the human ABO blood system; persons with type AB blood have one allele for A and one for B. (Persons with neither aretype O.) See also dominance; recessiveness.

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Answer 2

A and B allels is codominant