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The Rh factor refers to
Answer & Solution
Correct Answer:
Option
A
The Rh factor refers to a protein substance found in the blood of some people. Rhesus (Rh) factor is an inherited protein found on the surface of red blood cells. If your blood has the protein, you're Rh positive. If your blood lacks the protein, you're Rh negative. Rh positive is the most common blood type.
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