Principles of Inheritance and Variation Question 4

4. 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 genotype of parents?

[2019, Odisha]

(a) IA i (Male); IB i (Female)

(b) IA i (Male); IB IB (Female)

(c) IA IA (Male); IB IB (Female)

(d) IA IA (Male); IB i (Female)

Show Answer

Answer : b

Hints & Solution

(b) Male with blood group A can have genotype IA i or IAIA.
Female with blood group B can have genotype IBIB, or IBi



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