Answer:
All the given statements are correct.
Explanation:
In 1898, the distinctions in the blood were identified, that is, four blood types were identified, that is, A, B, AB, and O. Blood type is an illustration of codominance. It is determined by the antigens present on the blood cells. The antibodies attack the blood, which does not comprise the same antigens.
The discovery of blood types has helped in finding novel ways of transporting and preserving blood for the process of blood transfusion. The process of blood transfusion has got better, the elements of the blood can be distinguished by the process of centrifugation, and the preservation of the plasma can be done by freezing.