Question

A child of o blood type has b blood group father.the genotype of father will be

Answer 1

Because the child must inherit an Oallele from the father, the father could have the genotype AO, BO, or OO. In other words, the child's father could have blood group A or B or O, which rules out Monica's husband Alan (typeAB) and implicates Rick (type O). However, Alan is the father!