If a D-positive person appears to have anti-D in their serum,what is the most likely explanation?

Question

Quizplus · Accepted Answer

A person with a partial D antigen,who is exposed by pregnancy or transfusion to the complete D antigen,could potentially make an antibody that appears to be anti-D because it reacts with all D-positive cells on a panel,but not with D-negative cells.The antibody is actually directed to the part of the D epitope missing on the red cells.

If a D-Positive Person Appears to Have Anti-D in Their