Q. In higher vertebrates, the immune system can distinguish self-cells and non-self. If this property is lost due to genetic abnormally and it attacks self-cells, then it leads to

 2638  171 NEETNEET 2016Human Health and Disease Report Error

Solution:

Autoimmunity is a disorder of the body’s defence mechanism in which an immune response is elicited against its own tissues, which are thereby damaged or destroyed. Autoimmunity may be caused due to genetic or environmental factors.