NEET Biology question

ABO blood group system is due to

(A)Multifactor inheritance
(B)Incomplete dominance
(C)Multiple allelismCorrect
(D)Epistasis

Answer: (C)

Solution

The ABO blood group system is controlled by a single gene locus with three alleles — , and — present in the population, of which any individual carries only two. This is the defining example of multiple allelism. The system additionally shows

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Question ID VK-120202