Quoting meaganmac:Yeah I didn't read through it all but all it takes is a high school biology class to know that that's entirely possible.
AA = A blood typeAO = A blood type
BB = B blood typeBO = B blood type
OO = O blood typeAB = AB blood type
Quoting Moe1521:I missed it :/
Just as I opened it, it poofed.
Quoting Anonymous:Yes. There's no such thing as an AA blood type.
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