The blood group whose red cells carry both the A and B antigens. Also, the blood group whose red cells have the Rh factor (Rh antigen) (85% of people)
AB+
The blood group whose red cells carry both A + B antigens. Also, the blood type whose cells lack the Rh factor (Rh antigen)
AB-
A person can receive blood from anyone has what type of blood
AB+
The universal donor
O