By Andrea Waltrip, Delaney Baratka, Shyanne Michael Faculty Mentor: Ginny Morriss Abstract Myotonic Dystrophy Type 1, DM1, is a multi-systemic disorder that results from expression of expanded CTG repeats in the DMPK gene in humans. Three transgenic Drosophila melanogaster lines have been created containing 60, 250, or 480 CTG repeats to model DM1. The transgenic…