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Inheritance of Blood Types

These charts show the possible blood type results for offspring.

Blood Type
Mothers's Type
O A B AB
Fathers' Type O
O
O, A
O, B
A, B
A
O, A
O, A
O, A, B, AB
A, B, AB
B
O, B
O, A, B, AB
O, B
A, B, AB
AB
A, B
A, B, AB
A, B, AB
A, B, AB

 

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