This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Metabolism of nucleic acids, Subject name: Biochemistry
[{'content': 'Xeroderma pigmentation is caused due to a group of closely related abnormalities in \nSelect and explain. \nA. Mismatch repair, B. Base excision repair, C. Nucleotide excision rapair, D. SOS repair', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Autosomal recessive conditionThere are seven xeroderma pigmentosum genes necessary for NER mechanism in humans Mutation in any of them lead to the condition XPRef: DM VASUDEVAN 7th edition, page no: 584', 'role': 'assistant'}]