P2 Phenotype Blood Group: Genetics, Antibodies, and Clinical Significance
1. Introduction The P2 phenotype is a common and clinically important classification within the P1PK and GLOB blood group systems, representing the complete absence of the P1 antigen on the surface of erythrocytes. Individuals with this phenotype exhibit normal expression of the P antigen and trace amounts of the Pk antigen, identical to the standard … Read more