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Select the correct order of preference for transplants n descending order:
Identical twin > parent> sibling > unrelated donor
Identical twin > sibling > unrelated donor> parent
Identical twin > sibling > parent > unrelated donor
Identical twin > unrelated donor> parent > sibling
Answers (1)
In the order of preference for transplants, the highest preference is given to an identical twin. Identical twins share the same genetic makeup, minimizing the risk of rejection and offering the best chance for a successful transplant.
Next in preference is a sibling. Siblings often share similar genetic traits, increasing the likelihood of a compatible transplant and reducing the risk of rejection compared to a transplant from an unrelated donor.
Following siblings, parents are considered as potential donors. While parents may not share as close a genetic match as siblings, they still have a higher likelihood of compatibility compared to unrelated donors.
Lastly, unrelated donors are the least preferred option. Transplants from unrelated donors involve a higher risk of rejection due to the genetic differences between the donor and recipient. However, in some cases where there are no suitable family donors, unrelated donors can still be considered.
Therefore, the preference order for transplants, from highest to lowest, is:
Identical twin > sibling > parent > unrelated donor. Hence,the correct answer is option 3.
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