NEET UG BIOLOGY MCQ: PRINCIPLE OF INHERITANCE AND VARIATION

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Three children in a family have blood types O, AB and B respectively. What are the genotypes of their parents?

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Correct option: A

{\mathrm{I}^\mathrm{A}}\mathrm{i and}{\mathrm{I}^\mathrm{B}}\mathrm{i}

Option A (

{\mathrm{I}^\mathrm{A}}\mathrm{i and}{\mathrm{I}^\mathrm{B}}\mathrm{i}

) is correct because this combination of parental genotypes allows for all three blood types (O, AB, and B) to be present in the offspring.

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