Answer:
To prevent the rejection of transplanted organ or graft the patient is advised to take immuno-suppressant drugs. These immuno-suppressants are necessary to prevent any immune reaction against the graft. Immune cells such as T-cell and B-cells may recognize the graft as foreign and act against the markers on the surface of transplanted organ leading to rejection. To minimize such response of immune system against the graft immuno-suppressants are given. Ex: Corticosteroid - prednisolone.
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Phenotype:
Red eyes: Ee/EE
White eyes: ee
Genotype:
EE: red eyes
Ee: red eyes
ee: white eyes
