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Blood Groups. 4 types: A, B, AB ,and O. Differ by a specific protein on RBC called an antigen (molecule that can be recognized by your immune system). Antigens on RBCs. A: has antigen “A” on RBCs . B: has antigen “B” on RBCs . AB blood has both antigens. O has neither proteins.
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Blood Groups • 4 types: A, B, AB ,and O. • Differ by a specific protein on RBC called an antigen (molecule that can be recognized by your immune system)
Antigens on RBCs • A: has antigen “A” on RBCs. • B: has antigen “B” on RBCs. • AB blood has both antigens. • O has neither proteins.