Blood grouping in human beings is derived from combinations of
- two different alleles
- four different alleles
-
three different alleles
- two different genes
The correct answer is: C
Explanation
The four main blood groups A, B, AB, and O are controlled by three alleles: A, B, and O.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. In other words, only two of these alleles are present at the same time in a person's cell.
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