Blood Types and Matching

Blood Types and Matching blood group Which blood types are the most common? ; O negative Blood type: O- · 7% ; B positive Blood type: B+ · 12% ; AB positive Blood type: AB+ · 4% blood type Blood group AB refers to the existence of both antigens, while type O has neither A nor B antigens Which types are most common and most rare? Generally

blood type Which blood types are the most common? ; O negative Blood type: O- · 7% ; B positive Blood type: B+ · 12% ; AB positive Blood type: AB+ · 4%

blood group ABO is the most important of all the blood group systems There are four different ABO blood groups, determined by whether an individual's red cells carry the A Individuals with type A blood—without any prior exposure to incompatible blood—have preformed antibodies to the B antigen circulating in their blood plasma