Which statement about tissue transplants is TRUE?

a. The source of graft rejection is T cell recognition of the foreign MHC antigens on the transplanted cells.
b. If transplants demonstrate a perfect match for all Rh antigens, then there is a 95% success rate.
c. Successful transplants require a complete match of all MHC antigens.
d. Xenotransplantation avoids the fundamental transplant mechanism of graft rejection.
e. Skin can be successfully transplanted between siblings and other closely related family members.


a

Biology & Microbiology

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