This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Biochemistry
Xeroderma pigmentatosa is caused due to a group of closely related abnormalities in 
Select and explain. 
A. Mismatch repair, B. Base excision repair, C. Nucleotide excision repair, D. SOS repair
C: Nucleotide excision repair
Answer: C: Nucleotide excision repair 
Explanation: None