Xeroderma pigmentation is caused due to a group of closely related abnormalities in
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
Mismatch repair
Base excision repair
Nucleotide excision rapair
SOS repair
Metabolism of nucleic acids