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Question
What is the Rh factor?
Short/Brief Note
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Solution
- Rh is the most complex of the blood group system.
- Rh – factor is an antigenic protein present on the surface of the red blood cells in human beings.
- It was first discovered by Landsteiner and Wiener (1940), on the surface of RBCs of Rhesus monkeys, so it is called the Rh factor/ Rhesus factor (also called D antigen).
- The person having Rh factor (D antigen) is called Rh-positive (Rh +ve) and those lacking D antigens are called Rh negative (Rh -ve).
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