Microbiology Autoimmunity can be caused due to all of the following except – A The pressure of forbidden clones B Expression of cryptic antigens C Negative selection of T-cells in the thymus D Inappropriate expression of the MHC proteins 💡 Explanation Autoimmunity can be caused due to all of the following except - ✓ Correct Answer: C. Negative selection of T-cells in the thymus