A 10-year-old boy presents with symptoms of heart failure on a background of a progressive gait and limb ataxia with limb weakness
A 10-year-old boy presents with symptoms of heart failure on a background of a progressive gait and limb ataxia with limb weakness and atrophy. He is later diagnosed with Friedreich’s ataxia.
Which trinucleotide repeat sequence is most associated with this diagnosis?
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