47+ Blood Type And Origin Pics. Only 15 percent of the world has this blood type that is more prevalent in some parts of the world than others. Type a, type b, type ab and type o.
The international society of blood transfusion (isbt) recognizes 32 human blood group systems. This is an area of research which has not been seriously explored. Abo blood types are determined by a cell surface marker that identifies the cell as belonging to self or to that individual.
There are eight main types.
This book claims that these different blood types originated and tailored themselves to meet the diets of the early branches he was referring that those of african origin possess the o gene more frequently than other races. Which type you have affects how you can receive they can be either proteins or sugars. The types and features of antigens can vary between individuals, due to small genetic differences. Blood type is classified according to the presence or absence of substances inherited from one's parents, called inherited antigenic substances.