Final answer:
True. Blood types are distinguished based on antigens on the surface of red blood cells. The ABO blood group system is one of the most well-known blood groups, which is determined by the presence or absence of antigen A and antigen B on the surface of the red blood cells.
Step-by-step explanation:
True. Blood types are distinguished based on antigens on the surface of red blood cells. The ABO blood group system is one of the most well-known blood groups, which is determined by the presence or absence of antigen A and antigen B on the surface of the red blood cells. Type A blood has antigen A, type B blood has antigen B, type AB blood has both antigens, and type O blood has neither antigen.