What P generation mate pairings would produce these blood ty

What P generation mate pairings would produce these blood type options in F1 generation offspring - Ai, AB, and Bi?

Solution

Answer; Ai and Bi mate pairings would produce these blood type options in F1 generation offspring - Ai, AB, and Bi

F1: Ai, AB, and Bi

P must be = Ai x Bi

= AB, Ai, Bi, ii