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

There are four main antigens that make up the four main blood groups. They are known as A, B, AB and O. A blood types have the A antigen, B blood types have the B antigen, and AB blood types have ...

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

According to the presence of A and B antigens on the red blood cells (RBC), the ABO blood group includes (i) A blood group characterized as anti-A (+) and anti-B (−); (ii) B blood group as anti-A (−) ...

Blood type is categorized into one of these eight groups ... and AB-negative. But what determines blood type and what does that blood type mean? Blood types are determined by antigens -- a ...

(THE CONVERSATION) In the last few months, schools all over the country have closed because of outbreaks of norovirus. Also known as stomach flu, norovirus infections cause watery diarrhea, low-grade ...

When you have a blood transfusion, it’s important to be given blood that is compatible with (matches) your blood. Blood comes in four main types: A, B, AB, and O. These types refer to molecules called ...