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What is the Rh-factor?

Answer»

The Rh-factor was first discovered in the Rhesus monkey. It was found that Rh (rhesus) antigens were causing many of the transfusion failures that were unexplained by A-B-O system. There are at least eight different Rh antigens so far. The person bearing Rh-factor is Rh+ve and person who does not possess this factor is Rh-ve.



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