In the ABO system of blood groups, if both antigens are present but no antibody, the blood group of the individual would be HomeCirculatory System MCQsIn the ABO system of blood groups, if both antigens are present but no antibody, the blood group of the individual would be Share your love WhatsApp Facebook Telegram Twitter Pinterest Q. In the ABO system of blood groups, if both antigens are present but no antibody, the blood group of the individual would be A. B B. O C. AB D. A Answer: AB