Question

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

• A. Allergic response
• B. Graft rejection
• C. Auto – immune disease
• D. Active immunity

Answer 1

The correct option is C Auto – immune disease

If the body's immune system loses the property of distinguishing between self and non-self cells due to genetic abnormality and it attacks self – cells, then it leads to auto-immune disease. An auto immune disease is a condition in which your body immune system mistakenly attacks your body.