As far as I’m aware -O blood works for all of the regular types but not some of the niche ones, and also you still have to rip it out of someone where this theoretically could be synthesized
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Anonymous#229w
Oh ok
7
Anonymous#129w
They made artificial RH Null blood
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Anonymous#129w
o neg doesn't work for people with rh null blood (AB)
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Anonymous#529w
AB is not rh null, you can be AB+ or AB-, rh null is something else entirely
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Anonymous#629w
AB is rh null, because it's neither positive or negative
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Anonymous#529w
No it isn’t lol what are you talking about? I’ve got a friend with AB+
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Anonymous#129w
did u even read what i wrote 😭😭😭😭 i said AB blood, not AB+ or AB-, meaning that if their blood type AB, with no positive or negative sign, they have rh null blood
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Anonymous#529w
the absence of a +/- symbol indicates that the blood doesn't have the antigens of either a or b type blood