system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
All the following diseases are associated with triplet and other repeat sequences except
assistant
The correct answer is  Disease Nucleotide Repeat Gene affected Chromosome Fragile X syndrome CGG FMR1 Sex X chromosome Friedrich ataxia GAA FXN 9 Huntington&;s disease CAG HTT 4 Myotonic dystrophy - type 1 CTG DMPK 19 Reference: GHAI Essential pediatrics, 8th edition