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(a) To which blood group does each person belong?

(b) What causes the red blood cells of person X to clump together when his blood is mixed with serum from group A?

(c) What blood group must a donor belong to if he is to donate blood to person Z?

(d) A donor has blood group A. To which blood groups can his blood be given safely?

(e) Why is a person with blood group O called a universal donor?

Posted in English, asked by Lea, 2 years ago. 753 hits.
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