A woman with blood group O married a man with blood group AB. Show the possible blood groups of the progeny. List the alleles involved in this inheritance

Explanation

Blood groups exist as four possible pheno types : A, B, AB and O. There are 3 alleles for the gene that determines blood type. The alleles are as follows:

Each person possesses any two of the three I gene alleles. `I_A and I_A` are completely dominant over i, in other words when `I_A` and i are present only `I_A` expresses and when `I_B` and i are present, IB expresses. Blood group O has genotype O/0, blood group AB has genotype A/B. So 50% blood group A, 50% blood group B.