HLA Testing is used to match organ and tissue transfer receivers
with well-matched benefactors. HLA is a type of blood test done to search for a
protein, which can be found on the exterior of leukocytes or also known as White
Blood Cells. This protein is used to determine the differences between its own
cells and foreign ones, as well as damaging bodies.
What would happen if t. Brucei suddenly loss the ability to undergo antigenic variation
If T. Brucei lost the ability to undergo antigenic variation, it would cause it to not be able to hide itself from our defenses and our body would be able to fight it.