Transplants

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Transplants

by BlueDragon2010 » Mon Mar 03, 2014 9:02 pm
Unlike transplants between identical twins, whose genetic endowment is the same, all patients receiving hearts or other organs must take antirejection drugs for the rest of their lives.

(A) Unlike transplants between identical twins, whose genetic endowment is the same

(B) Besides transplants involving identical twins with the same genetic endowment

(C) Unless the transplant involves identical twins who have the same genetic endowment

(D) Aside from a transplant between identical twins with the same genetic endowment

(E) Other than transplants between identical twins, whose genetic endowment is the same

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by Patrick_GMATFix » Mon Mar 03, 2014 9:11 pm
In comparison, only like-terms should be compared. We cannot compare transplants to patients!

The answer is C. I go through the question in detail in the full solution below (taken from the GMATFix App).

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