Biology, asked by ssmmps78, 6 months ago

there are totally 3 alleles for blood group, but only 2 are expressed. why?​

Answers

Answered by rajrsharma2007
2

Answer:

The four main blood groups A, B, AB, and O are controlled by three alleles: A, B, and O. As humans are diploid, only two of these can be present in any one genotype.

Explanation:

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Answered by badgirl3698
3

The four main blood groups A, B, AB, and O are controlled by three alleles: A, B, and O. As humans are diploid, only two of these can be present in any one genotype.

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