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In a marriage between male with blood group A and female with blood group B, the progeny had either blood group AB or B. What could be the possible…

NEET UG 2019 — Zoology Principles of Inheritance and Variation

2019mcqeasy

In a marriage between male with blood group A and female with blood group B, the progeny had either blood group AB\mathrm{AB}AB or B\mathrm{B}B. What could be the possible genotype of parents?

Official previous-year question

Held on 30 Apr 2019 · Verified 9 Jul 2026.

Options

  1. A

    IAi(Male):IBIB\mathrm{I}^{\mathrm{A}} \mathbf{i}(\text {Male}): \mathrm{I}^{\mathrm{B}} \mathrm{I}^{\mathrm{B}}IAi(Male):IBIB Female

  2. B

    IAIA (Male) :IBIB\mathrm{I}^{\mathrm{A}} \mathrm{I}^{\mathrm{A}} \text { (Male) }: \mathrm{I}^{\mathrm{B}} \mathrm{I}^{\mathrm{B}}IAIA (Male) :IBIB Female

  3. C

    IAIA(Male):IBi\mathrm{I}^{\mathrm{A}} \mathrm{I}^{\mathrm{A}}(\text {Male}): \mathrm{I}^{\mathrm{B}} \mathrm{i}IAIA(Male):IBi Female

  4. D

    IAi(Male):IBi\mathrm{I}^{\mathrm{A}} \mathrm{i}(\text {Male}): \mathrm{I}^{\mathrm{B}} \mathbf{i}IAi(Male):IBi Female

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