A person with type O blood can donate to a patient with type A because the donor's blood

Assessment: JAMB UTME - Biology - 1995 Subject: Biology

Question 1 Report

A person with type O blood can donate to a patient with type A because the donor's blood
Answer Details
A person with type O blood can donate to a patient with type A because the donor's blood lacks antigens. Blood type is determined by the presence or absence of certain antigens on the surface of red blood cells. Type O blood does not have A or B antigens, whereas type A blood has A antigens. Therefore, type O blood can be safely transfused to someone with type A blood, as the donor's blood will not trigger an immune response in the recipient due to the lack of antigens.
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