how to we the blood group positive or negative?
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The Rh blood group system includes around 50 different red blood cell antigens, but the most important one is a protein called D. If you have the D protein on your red blood cells, you're Rh positive. If you don't have it, you're Rh negative
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The Rh blood group system includes around 50 different red blood cell antigens, but the most important one is a protein called D. If you have the D protein on your red blood cells, you're Rh positive. If you don't have it, you're Rh negative.
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