How two Rh+ parents may have Rh- child?

Rhesus factor - an antigen occurring on the red blood cells of many humans (around 85 percent) and some other primates. It is particularly important as a cause of hemolytic disease of the newborn and of incompatibility in blood transfusions. #RhFactor #BloodGroup #BloodType #aboBloodGroup #RhesusFactor #bloodTransfusions