A person with no antigens on the red blood cell and both anti-A and anti-B antibodies in the plasma would be considered a universal donor.

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Quizplus · Accepted Answer

This is because they can donate blood to any ABO blood group recipient without causing a reaction. However, they can only receive blood from other individuals who also lack A and B antigens on their red blood cells (i.e., the rare AB blood type).

A Person with No Antigens on the Red Blood Cell