The nurse asked the rabbit, “What’s your blood type?”

“I’m probably a type O,” he replied.

  • @NeoNachtwaechter
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    -1810 months ago

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

    • @ilinamorato
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      2110 months 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.