Question

What is the phenotypic ratio of the offspring when a man who has type A blood, and whose mother had type O blood, marries a woman who has type AB blood?

 2 type A : 1 type AB : 1 type B

3 type A: 1 type B

1 type A : 1 type O

1AA :1AB : 1AO : 1BO

Answer 1

3 type A: 1 type B