Group O is a universal donor, this, if group O blood is mixed with group A or group B blood,no agglutination occurs.
Blood grouping refers to the process of grouping individuals blood based on the antigen protein found on the surface of to the red blood cells.
There are four blood groups:
Group O is a universal donor
If group O blood is mixed with group A or group B blood,no agglutination occurs.
Learn more about blood groups at: https://brainly.com/question/3044607