The nurse asked the rabbit, "What's your blood type?"

"I'm probably a type O," he replied.

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[+] -18 points 2 years ago (3 children)

No, it is zero, because it behaves neutral towards A and B.

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  • [–] 21 points 2 years ago

    No, at one point a German physician suggested using zero, as it contains no antigens. But Karl Landsteiner, who proposed the eventual system that would come to be used around the world, suggested "O" for "ohne," meaning "without"--as in, without antigens.

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