Biology, asked by sakshisharma5859, 11 months ago

Blood groups i n man shows dominant recessive relation

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Answered by srikanth2716
3

The four ABO blood groups, A, B, AB and O, arise from inheriting one or more of the alternative forms of this gene (or alleles) namely A, B or O. The A and B alleles are codominant so both A and B antigens will be expressed on the red cells whenever either allele is present.

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