Answer:
Both Anti A and Anti B bodies are present in the blood stream of person with blood group O
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Answer:
A and B antibodies
Explanation:
The letter (A, B, or O) describes which antigens are present on blood cells. The opposite antibodies circulate in the blood stream. In the case of people with blood type O, they are universal donors but can only receive other type O blood because they have antibodies that recognize both A and B antigens as invaders.