Get Blood Type 4 Negative PNG. When receiving blood, they are sometimes typed as a d negative, though this is the subject of some debate. Not all of the ethnic groups share the same proportions of the ab negative blood type though.
Blood types are determined by the presence or absence of particular antigens on the surface of red blood cells. Depending on whether the rh antigen is present, each blood type is assigned a positive or negative. But an ab negative blood can't be transfused to any individual (expect that person be ab positive, or ab negative).
Blood types like o negative or rhesus negative are determined by genetics.
There are three main body types for humans, however not everyone will fit perfectly to these because of all the mixing. There are 35 criterias, under which blood group can be classified. Blood type was a characteristic of blood cells determined by the presence of specific surface antigens. Antigens include protein, carbohydrates, glycoproteins and glycolipids.