The various combinations of the ABO system and Rh factor create the eight main blood groups. In most cases, knowing which of these blood groups a person fits into is enough to provide them a safe ...

If Neanderthal women mated with Homo sapiens or Denisovan men, there was a high risk of newborns having neonatal hemolytic ...

There are 35 blood groups in the world, but the two most common groups are ABO group and Rh group. These groups contain the eight blood types that dominate over 90% of the world's population.

you’ll likely reference the well-known ABO/Rh blood group system (ABO supplies the letters and Rh, or rhesus factor, supplies the plus or minus symbols). While this system helps medical ...

Human populations that left Africa evolved quickly whereas Neanderthals stayed the same, according to an analysis of blood ...

After 50 years, scientists discover the MAL blood grouping system, solving a genetic mystery and improving transfusion safety worldwide.

While we're all more familiar with the ABO blood group system and the Rh factor (that's the plus or minus part), humans actually have many different blood group systems based on the wide variety of ...

A group of scientists has found clues in blood groups that explain how modern humans managed to survive and expand from ...