JAMB Biology 2011 Objective — Question 55

Question 55 of 60 from the Joint Admissions and Matriculation Board (JAMB) Biology 2011 Objective paper, with the correct answer and a full explanation.

What is the probability of a man of blood group AB married to a woman of blood group O producing a child of blood group O?

A. A. 0%Correct
B. B. 25%
C. C. 50%
D. D. 75%

Explanation

It is not possible for a man of blood group AB married to a woman of blood group O to produce a child of blood group O; the child will be either A or B.

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