A child with a history of severe sunburns and multiple skin cancers presents with extreme photosensitivity. This condition is most likely due to a defect in which DNA repair mechanism?

Question

BrainForge Quiz · Accepted Answer

C) Nucleotide excision repair. Xeroderma Pigmentosum is caused by a defect in nucleotide excision repair (NER), which is responsible for removing pyrimidine dimers formed by UV radiation, leading to increased risk of skin cancer.

A child with a history of severe sunburns and multiple skin cancers presents with extreme photosensitivity. This condition is most likely due to a defect in which DNA repair mechanism?

✓ Correct Answer: Option C

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