ABO system
Karl Landsteiner, 1901. Antigens A and B built on the H precursor. Four phenotypes: A, B, AB, O. Controlled by the ABO gene on chromosome 9.
Karl Landsteiner, 1901. Antigens A and B built on the H precursor. Four phenotypes: A, B, AB, O. Controlled by the ABO gene on chromosome 9.
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