Evidence indicates that Kell antigens are important in transfusions as well. The Lewis system of blood typing is based on the FUT3 and FUT2 genes (Lewis and Secretor genes, respectively), which ...

Other rare types of blood include Duffy, K antigen (or Kell), Lutheran, and Kidd. What's the healthiest blood type? There is no healthiest blood type; all types of blood are healthy. What blood ...