Principle Of Inheritance And Variation Question 305

Question: A child of a mother with blood group A and a father with blood group AB may have any one of the following blood groups except [Manipal 1995; CPMT 2005; MH-CET 2005]

Options:

A) A

B) B

C) AB

D) O

Show Answer

Answer:

Correct Answer: D

Solution:

Since the blood group of father is AB (genotype AB), therefore one of the two antigens i.e.

A or B has to be present in child’s blood i.e.

he can have any other blood group but not ?O? (genotype OO).