How do AB positive and O negative blood types compare?

Basically AB-positive and AB-negative blood types have one important difference. AB-positive and AB-negative blood types both contain A and B antigens on their red cell surfaces. Neither will produce Anti-A or Anti-B antibodies in their plasma or serum, so can generally accept type A, B, AB, or O blood transfusions. read more

B Positive – 9%; B Negative – 2%; AB Positive – 3%; AB Negative – 1%; Blood Type Compatibility. Your ABO blood type is based on the presence or absence of the A and B antigens on your red blood cells. The A blood type has only the A antigen and the B blood type has only the B antigen. The AB blood type has both A and B antigens, and the O blood type has neither A nor B antigen. read more