Biochemistry All of the following disorders are due to defective nucleotide excision repair, EXCEPT A Xeroderma pigmentosum B Cockayne syndrome C Trichothiodystrophy D Hereditary nonpolyposis colon cancer 💡 Explanation All of the following disorders are due to defective nucleotide excision repair, EXCEPT ✓ Correct Answer: D. Hereditary nonpolyposis colon cancer