Blood groups - basic principle

ABO blood group - basic principle

ABO blood groups - testing Blood type O: does not have antigen A or antigen B; cells do not react or agglutinate with anti-A or anti-B antibodies Blood type AB: has antigens A and B which are recognized by both, anti-A antibody and anti-B antibody to cause agglutination in both the wells Blood type B: has antigen B which is recognized by anti-B antibody to cause agglutination and does not react with anti-A antibody Blood type A: has antigen A which is recognized by anti-A antibody to cause agglutination and does not react with anti-B antibody

Rh blood groups - basic principle

Rh blood groups - testing Blood type +: has Rh antigen; cells react or agglutinate with anti-D antibody Blood type -: RBCs do have Rh antigen; cells do not react or agglutinate with anti-D antibody