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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.
No, it is zero, because it behaves neutral towards A and B.
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.
How can you be so wrong in one sentence
Watch this:
The quick dog jumps over the lazy brown fox.
This hurt my brain.
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