How do AB positive and AB negative blood types compare?

This is basic transfusion science. 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. read more

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

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. By the time you are six months old, you naturally develop antibodies against the antigens your red blood cells lack. read more

Having the presence of A and B antigens and the absence of the Rh antigen, AB negative blood type can only receive blood types from AB-, B-, A- and O-. 4. Blood Type Compatibility: AB- Can Only Be Given To AB- and AB+. An AB- donor can only give blood to individuals with AB+ and AB- blood type. read more