Question

The human abo blood group is controlled by a single autosomal gene with three alleles, ia, ib and i. individuals with either the iaia or iai genotypes have blood type a; those with ib ibor ibi have blood type b; those with iaib have blood type ab; and those with ii have blood type o. imagine a mother with type-a blood, and a father with type-b blood have a baby with type-o blood. what is the probability that any given child of this couple will have type-o blood?

Answer 1

This is because the FATHER and MOTHER both are have the allele ibi and iai so their child has thr allele ii.