If a boy has blood type O and his mother has blood type A, what is the genotype of his father? by Sunday | Nov 23 | Biology WAEC | 0 comments A. BB B. AA C. AO D. AB Correct Answer: Option C C. AO Users Also Read These:A woman with blood group A gives birth to a child…An accident victim was successfully transfused with…The following substances pass into the blood of the…Which of the following substance from the mother's…In man haemophilia is recessive and sex linked, The…