If Neanderthal women mated with Homo sapiens or Denisovan men, there was a high risk of newborns having neonatal hemolytic ...
Similarly, its absence characterizes the Rh-negative blood group ... people have been confirmed to possess this blood type.
Moreover, the demographic characteristics of blood donors ... antigen that can be present (Rh-positive) or absent (Rh-negative) on red blood cells. Transfusion Compatibility: The compatibility ...
But if you don't have the protein, you're RH negative. You don't necessarily have to have the same blood type as your baby since the baby will inherit characteristics from both parents.