Question 44
Transport in AnimalsIndividuals belonging to blood group O are universal donors because
- A.antigens are absent in their blood cells
- B.members of the group constitute the highest number of humans
- C.there are no antibodies in their blood plasma
- D.the antigens in their blood cells are easily destroyed
Show the answer and explanation
Answer: A (antigens are absent in their blood cells)
Explanation
Group O red cells carry no A or B antigens, so the recipient's antibodies have nothing to react with.