Assertion: The most successful transplants are autografts.
Reason: In autografts, antigens, encoded by Major Histocompatibility Complex (MHC) are properly matched.

Options

A. If both assertion and reason are true and the reason is the correct explanation of assertion
B. If both assertion and reason are true and the reason is not the correct explanation of assertion
C. If assertion is true but the reason is false
D. If assertion is false but reason is true

Answer

A

Explanation

Replacement of injured, diseased-tissue or organ by grafting a healthy tissue or organ, e.g., skin, cornea, heart, lungs, kidney, bone marrroew, liver, pancreas, etc. is now known as transplantation and tissue or organ being grafted Is called transplant. Autograft is the most successful transplants, because it involves transplantation of a tissue from one part of body to another part, e.g., skin. Success of any transplantation depends upon the matching of Major Histocompatiblity Complex (MHC) or Human Leucocyte Antigen (HLA). In case to autograft antigens encoded by MHC, are perfectly matched.