Cause of the xeroderma pigmentosum is?
Correct Answer: DNA rapair defect
Description: Ans. is 'b' i.e. DNA repair defect * Xeroderma pigmentosum is an autosomal recessive disease with defect in DNA repair. It is characterized by extreme sensitivity to sunlight. The enzymes affected in this condition are:1. UV specific endonuclease (most common)2. DNA polymerase I3. DNA ligase
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