In this presentation, James Cleaver of UC San Francisco shares some surprising results from studies of mutagenesis from UV light in two hereditary syndromes -- xeroderma pigmentosum (XP) and Cockayne syndrome (CS) -- which have mutations in the nucleotide excision repair (NER) pathway. Series: "CARTA - Center for Academic Research and Training in Anthropogeny" [Science] [Show ID: 30212]