The Rh blood group system is defined by the RHD and RHCE genes, which encode transmembrane proteins responsible for the D, C, c, E and e antigens on erythrocyte surfaces. Variability arises through ...

Blood group systems, notably ABO and Rhesus (Rh), display marked variation across global populations, reflecting both historical migrations and selective pressures such as infectious disease. The ABO ...

A blood group is defined as the entire blood group system that is made up of red blood cell (RBC) antigens. Taken together, the specificity of RBC antigens is controlled by a series of either allelic ...

In 2011, a woman from the French overseas region of Guadeloupe underwent routine tests before a surgery. Strikingly, doctors could not identify her blood group, which was so unique that they did not ...