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:The bones of the legs of a six years old boy are…Which of the following substance from the mother's…A man with heterozygous genotype for blood group B…We can conclude that the mother of the boy putting…The hydrostatic blood pressure difference between…