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NEETZoologyPrinciples of Inheritance and Variation

If a man with blood group AB marries a woman with blood group O, what blood groups can be expected in their offspring?

Options

  1. AO and AB only
  2. BA and B only
  3. CA, B, AB, and O
  4. DO only

Correct answer

B. A and B only

Step-by-step solution

Refer: NCERT | Class 12 | Page: 61 | Paragraph: 2 The genotype of the man with blood group AB is I^A I^B . The genotype of the woman with blood group O is i i . The gametes produced by the man are I^A and I^B . The gamete produced by the woman is i . Crossing the gametes, the possible genotypes of the offspring are I^A i and I^B i . The genotype I^A i corresponds to blood group A, and the genotype I^B i corresponds to blood group B. Therefore, the expected blood groups in their offspring are A and B only. Answer: (

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