Inheritance of Blood Types

These charts show the possible blood type results for offspring.
Parents' Blood Type O A B AB
O O
A O, A
B O, B O, A, B, AB O, B
AB A, B A, B, AB

 

Rh Factor Mother's Type
Rh+ Rh-
Father's Type Rh+ Rh +, Rh - Rh +, Rh -
Rh - Rh +, Rh - Rh -