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A member asked:
What is the difference between someone who is rh negative and someone who is rh null?
A doctor has provided 1 answer
Super rare: Rh negative refers to the lack of a functional "D" antigen on red blood cells. Rh null, which is super rare, refers to a lack of D, but also C/c, and E/e antigens. These red blood cells have many other functional abnormalities.
Answered 3/12/2020
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