According to the red cross website there are eight different kinds of blood types, and they are differentiated by the letters O, A and B in combination with a + or - sign. The different blood types are: O+, O-, A+, A-, B+, B-, AB+ and AB-.
There are three versions of the blood type gene: A, B, and O. Since everybody has two copies of these genes, there are six possible combinations; AA, BB, OO, AB, AO, and BO. In genetic terms, these combinations are called genotypes, and they describe the genes you got from your parents.
O, A, B and AB. All of these types can be positive or negative for the Rhesus factor.
eg. A+ is type A which is has the Rhesus Factor.
what are the different blood types
In addition to thermosets, the specialty category also encompasses a relatively new category of rubbers called thermoplastic elastomers (TPEs). TPEs are often more economical to produce and easier to process than are thermosets.
there are many tpes of them why?
3000 species worldwide
there is 321 tpes of sugar
all tpes of projects
they are domecracy republic monarchy and dictatorshp
name two tpes of artifacts
there are many tpes of beds for dogs, and you can purchase them from most mega stores
they tpes of clouds are balls and hair
diesel, unleaded, leaded, also some hydrogen and e85 eathonol vehicles exist
The people of Spain enjoy beef, pork, chicken, fish, various tpes of grain, fruits, vegetables, and sweets.
radio waves, microwaves, visible light, x-rays Check out EM spectrum for more info