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Question

Inheritance of ABO blood group system is an example of which of the following?

A
Multiple allelism
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B
Partial dominance
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C
Epistasis
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D
Dominance
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Solution

The correct option is C Multiple allelism
The antibodies are found in the serum and they are known as anti-A and anti-B. The antigens determining the four blood groups are the result of the expression of three alleles: O, A and B; the latter two being dominant to O.

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