MCQOPTIONS
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				| 1. | 
                                    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 | 
| Answer» D. Inappropriate expression of the MHC proteins | |