If so, your baby will have Rh-positive blood. Or you might be what's called heterozygous, meaning you carry one negative and one positive gene. In that case, your baby has a 50/50 chance of having ...

Similarly, its absence characterizes the Rh-negative blood group ... pattern (both parents pass on a copy of the mutated gene ...

Those who do not are Rh negative. This positive or negative attribute ... Since blood type is genetic, some countries will have more of one blood type than another, depending on the ethnic makeup ...

Another important antigen is the Rh factor, which gives the "positive" and "negative" signs to blood ... Mazières and colleagues found that the Rh gene variants found in many people today come ...

A new study published in Scientific Reports finds that incompatibility between the blood groups of Neanderthals and modern humans may have contributed to the extinction of the Neanderthals.

sapiens and 14 Neanderthals from Eurasia, dating between 120,000 and 20,000 years ago, to understand the genetics ... Rh-positive (they have a "D" antigen on their red blood cells) or Rh-negative ...