By   July 17, 2013

Although all blood is made of the same basic elements, not all blood is alike. In fact, there are eight different common blood types. A blood type is a classification of blood based on the presence and absence of antibodies and also based on the presence or absence of inherited antigenic .

There are four main blood groups (types of blood): A, B, AB and O. Your blood group is determined by the genes you inherit from your parents. As an O Positive donor you are incredibly important to maintaining the blood supply in our community. O Positive is the most common blood type and .

Human blood is grouped into four types: A, B, AB, and O. Each letter refers to a kind of antigen, or protein, on the surface of red blood cells. It is also important to remember that while donors of all blood types can receive O Negative bloo those with O Negative blood can generally only receive O . The most important blood groups in transfusion are the ABO blood group system and the group D of the Rh system. There are eight blood groups and they are classified using two systems.

It is also central to our exploration of blood types. The key is genetic heritage – the story line of your life. Even though you are living in the 21st century, you share . Learn about blood and what type of donation you should make for your blood type.