A type A man is the son of a type O father and type A mother

A type A man is the son of a type O father and type A mother. If he has children with a type O woman, what are the following probabilities?

A. A type AB child?

B. A type O child?

C. The first three children with type A blood?

Solution

The child can have only two blood types possible type A and type O.

a) Probability for type AB =0

b) Probability for type 0 =0.5

c) Probablity for The first three children with type A blood = 3/4