And so when we mix these two bloods, they will readily mix and no Agglutination actually takes place. Now what about if we mix if we donate blood from blood type B? Well, blood type B contains antigen B and forms antibodies against antigen A. And by mixing our B and A, we basically have the process of Agglutination taking place. The antibodies, antibodies against antigen B in the receiver will attack the red blood cells that basically come from this donating person that has blood type B. Now.