A person having O negative blood group lacks all the antigens and hence has antibodies against A and B antigens in their plasma. Hence they can donate blood to people with any blood group.
Why is blood group O negative considered the universal donor?
About the Author: Dr. Karishma Shinde
Dr. Karishma Shinde, B.H.M.S (MUHS Nashik) PGD, EMS (RHC Pune and the Director of Sunrise diagnostics Centre along with her team works with a vision of rendering care for the happiness of humankind and freedom from illness.