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Question : Type A blood should not be injected to a person having B-blood group. Why ? |
| Answer» Solution :When two DIFFERENT incompatible blood types are mixed, AGGLUTINATION (clumping together) of erythrocytes (RBC) occurs. The basis of these chemical differences is due to the presence of antigens (SURFACE antigens ) on the MEMBRANCE of RBC and EPITHELIAL cells. | |