What happens when an Rh negative person is exposed to Rh positive blood?

What happens when an Rh negative person is exposed to Rh positive blood?
  1. They become Rh positive.
  2. They form specific antibodies against the Rh antigens.
  3. They become Rh negative.
  4. They don't form any antibodies.

Solution

When an Rh negative person is exposed to Rh positive blood, they form specific antibodies against the Rh antigens.

Asked in: NCERT

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