ABO blood groups are the most basic system of blood typing. This system divides blood into four groups – A, B, AB and O. The other main grouping used is the Rhesus (Rh) system, which is either ...

The Rh or Rhesus system is the second most common blood grouping system. It was first detected in 1940 by Landsteiner and Wiener. Rh typing is the test done to determine whether a person is Rh ...

The exact composition of blood varies between people. This difference in structure is what makes a person’s blood type. Most people use the ABO system to group blood types, and rhesus factor, which is ...

The distribution of ABO blood groups and Rh(D) factor has been studied among the Brahmin and Kushwaha populations of Jhansi Uttar Pradesh. The A,B,O and AB blood group percentage in Brahmins was ...

Different blood types are prevalent in different parts of the world. In the United States, AB-negative is the rarest blood type, while O-positive is the most common. Your blood type is based on ...

A blood group is defined as the entire blood group system that is made up of red blood cell (RBC) antigens. Taken together, the specificity of RBC antigens is controlled by a series of either allelic ...