The best HLA (Human Leucocyte Antigen) match for trans- plants in order to preference is:

Options

A. Parent gt sibling gt twin gt unrelated donor
B. Sibling gt twin gt parent gt unrelated donor
C. Twin gt sibling gt parent gt unrelated donor
D. Twin gt unrelated donor gt parent gt sibling

Answer

C

Explanation

HLA (Human leukocyte antigen) is used to match a patient with donor bone marrow or cord blood transplant. It is used to match organ and tissue transplant recipients. It identifies the major HLA genes a person has inherited and corresponding antigens that are present on the surface of cell. Twin have high HLA compatibility as that of sibling, parent or unrelated donor