6240
Below , we show that long ( 230 repeats ) tracts of the trinucleotide associated with Friedreich ' s ataxia ( GAA . TTC ) stimulate both large ( > 50 bp ) deletions and point mutations in a reporter gene located more than 1 kb from the repetitive tract .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
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