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Question
Which of the parents with the following blood groups CANNOT have a child with blood group A?
Options
A and B (heterozygous)
AB and A (heterozygous)
O and AB
O and B
MCQ
Solution
O and B
Explanation:
Parents with blood groups O and B will be having genotype ii or IB lB or IB i homozygous or heterozygous. So neither of the parents has antigen A. therefore the child will not have blood group A.
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