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Four children belonging to the same pare...

Four children belonging to the same parents have the following blood group A, B, AB and O. Hence, the genotype of the two parents are

A

Both parents are homozygous for 'A' group

B

One parent is homozygous for 'A' and another parnts is homozygous for 'B'

C

One parent is heterozygous for 'A' and another parnts is hetrozygous for 'B'

D

Both parents are homozygous for 'B' group

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The correct Answer is:
C
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