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Best Answer: O positive ok for transfusing to all positive types. O negative is a unversal to all types. So you cannot donate blood for an O negative if you are O positive. If you just want to donate plasma then you can donate, just not whole blood.
Blood Type Compatibility. Some of us can receive blood from people with blood types other than our own. O Rh positive can be given to all other Rh positive blood types. Blood type O Rh negative is referred to as the universal red cell donor because it can be given to all other blood types.However, if you are O Rh negative, that is the only blood type you can receive.lood types are inherited. The four major blood groups are O, A, B and AB. They are also positive or negative (the Rh factor), creating eight major blood types. Your type is determined by the presence or absence of antigens on the surface of your red blood cells.