Erythroblastosis fetalis occurs when ________.

A. the mother has Rh? blood and the fetus has Rh+ blood
B. the mother has blood type A and the fetus has blood type O
C. the mother has Rh+ blood and the fetus has Rh? blood
D. the mother has type AB blood and the fetus has type O blood


Answer: A

Anatomy & Physiology

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