Detection of STR expansions across sequencing platforms for genes FMR1, HTT, and DMPK in the 14 Coriell samples. The top panel shows the detection of CTG repeats in the DMPK gene in which expansions greater than 50 repeats are associated with myotonic dystrophy type 1. The middle panel displays the detection of CAG repeats in the HTT gene, with expansions beyond 36 repeats, characteristic of Huntington's disease. And finally, the bottom panel illustrates the detection of CGG repeats in the FMR1 gene, in which expansions exceeding 200 repeats are indicative of fragile X syndrome.