Xeroderma pigmentosum (XP) is a hereditary disease in which there is a defect in the repair system that repairs DNA after it is damaged by ultraviolet rays.The symptoms of XP are likely due to an _______ repair system.
A) overactive proofreading
B) underactive proofreading
C) overactive mismatch
D) overactive excision
E) underactive excision

Question

Quizplus · Accepted Answer

Xeroderma pigmentosum (XP) is characterized by an underactive excision repair system, specifically nucleotide excision repair, which is responsible for repairing DNA damage caused by ultraviolet (UV) light. This leads to the accumulation of DNA damage and the symptoms of XP.

Xeroderma Pigmentosum (XP) Is a Hereditary Disease in Which There