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. Fear of exposure to sunlight.
B. A deflect 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. Fear of exposure to sunlight.
B. A deflect 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.

The answer is B) A defect in DNA repair enzyme.