JAMB Biology 2014 Paper

Concept:Blood group AB has no anti-A or anti-B antibodies, so it can accept all blood groups.Explanation:People with blood group A have A antigens and anti-B antibodies.People with blood group B have B antigens and anti-A antibodies.People with blood group O have no antigens but both anti-A and anti-B antibodies.People with blood group AB have both A and B antigens but no antibodies.Therefore, an AB individual can receive blood from A, B, AB, and O donors without agglutination.Answer:A. A, B, AB, O