An individual with the disorder Xeroderma pigmentosum is hypersensitive to sunlight succumbs to DNA damage caused by light exposure. What is the probable cause for this disorder?
A) A fear of exposure to sunlight
B) A defect in a DNA repair enzyme
c) an improper hormonal mechanism

Question

An individual with the disorder Xeroderma pigmentosum is hypersensitive to sunlight succumbs to DNA damage caused by light exposure. What is the probable cause for this disorder?
A) A fear of exposure to sunlight 
B) A defect in a DNA repair enzyme
c) an improper hormonal mechanism

anonymous · Answer

Xeroderma pigmentosum is a disease caused by a defect in DNA repair and sufferers of Xeroderma pigmentosum cannot repair the day-to-day damage that UV radiation in sunlight causes. Therefore the answer would be....?