The ABO typing is a diverse blood grouping system that consist of blood types A, B, and O. The blood type A has A-antigen on the red cells, B blood type has B-antigen and blood type O has no antigen A ...
Red blood cells are complex — there's much more to blood types than A, B and O. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Many people know ...