There has been past coverage of the rare Rh-null "golden blood" type, which lacks all of the Rh family of antigens. Only 9 donors worldwide. https://en.wikiped

There has been past coverage of the rare Rh-null "golden blood" type, which lacks all of the Rh family of antigens. Only 9 donors worldwide. https://en.wikipedia.org/wiki/Rh_blood_group_system#Rhnull_phenotype https://en.wikipedia.org/wiki/Rh_blood_group_system#Rhnull_p...