Question

define Universal Donor

Answer 1

a blood group which can donate blood to all blood group. It has no antigens . it's O
people belonging to blood group O have no antigen or corpuscle factor in there RBCs . Their blood can be administered to any person because neither of the antibodies A and B with these cells hence they are called Universal Donor....

HOPE IT HELPS .

Answer 2

It is all types of blood group but no antigens