Given the damage caused by UV radiation, the kind of gene affected in those with xeroderma pigmentosum is one whose product is involved with
A) mending of double-strand breaks in the DNA backbone.
B) breakage of cross-strand covalent bonds.
C) the ability to excise damage to single-stranded DNA and replace it.
D) the removal of damaged areas of double-stranded DNA.
E) causing affected skin cells to undergo apoptosis.

Question

Quizplus · Accepted Answer

Xeroderma pigmentosum is caused by defects in nucleotide excision repair, which is responsible for excising and replacing damaged single-stranded DNA.

Given the Damage Caused by UV Radiation, the Kind of Gene