Circulatory System - 2

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Multiple Choice

When can Erythroblastosis foetalis occur?

  1. Man is Rh positive and woman is Rh negative
  2. Man is Rh positive and woman is Rh positive
  3. Man is Rh negative and woman is Rh negative
  4. Man is Rh negative and woman is Rh positive
  5. Blood group of the man is O positive
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