For over fifty years, the scientific community has grappled with an unsolved puzzle in the realm of human blood types. It all ...

There are ABO antigens, which designate ABO blood types. This is determined by the ABO gene. For example: There are also Rhesus (Rh) antigens, which determine if blood is "positive" or "negative." ...

In cases of questioned paternity, ABO blood-typing can be used to exclude ... Consideration of additional blood markers, such as Rh antigens, MN antigens, and HLAs, greatly increased the ...