Understanding ABO Blood Groups

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*Front:* ABO blood group system

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of human blood based on presence/absence of antigens A and B

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*Front:* Antigen A

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in blood groups A and AB

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*Front:* Antigen B

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in blood groups B and AB

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*Front:* Blood group O

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both A and B antigens

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*Front:* Blood group AB

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recipient; has both A and B antigens

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*Front:* Blood group O

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donor; lacks A and B antigens

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*Front:* Antibodies in blood group A

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antibodies

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*Front:* Antibodies in blood group B

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antibodies

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*Front:* Antibodies in blood group AB

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anti-A or anti-B antibodies

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*Front:* Antibodies in blood group O

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anti-A and anti-B antibodies