In what animal was the Rh factor first discovered?

Correct answer: Monkey

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What people think about it: 3 Comments
Player #28072997
Player #28072997
Arohanui, no one should have to wait 24 hours for a transfusion. Anybody can donate a unit of blood. people can donate a unit of life saving blood 5 times a year.
Player #9442102
Player #9442102
Arohanui, my mom was o negative.
Player #5526107
Player #5526107
Player ShellSeller, type O positive can receive both O positive and O negative. The universal donor is O negative, O positive is the best donor for those with Rh positive in their group of blood.