If an individual carries a mutation that results in a complete lack of MHC class I proteins, how would the individual's immune response be affected?

Question

Quizplus · Accepted Answer

MHC class I proteins present antigens on the surface of infected cells, allowing cytotoxic T cells to recognize and destroy them. Without MHC class I proteins, cytotoxic T cells would not be able to target infected cells, leading to a weakened immune response. Memory cell antibodies, helper T cells, and plasma cell antibodies do not rely on MHC class I proteins for their function.

If an Individual Carries a Mutation That Results in a Complete