Why can the blood type o be given to people with different blood types such as a, b and ab, and if this is so, can – Search I'm a Scientist. Get me Out of Here!

Question: Why can the blood type o be given to people with different blood types such as a, b and ab, and if this is so, can other blood types be given to people with the blood type o in return?

Asked by on 27 Jan 2022.

Question: Why can the blood type o be given to people with different blood types such as a, b and ab, and if this is so, can other blood types be given to people with the blood type o in return?