FMR1 and fragile X syndrome: 9 Yrigollen Yrigollen CM CM Durbin-Johnson Durbin-Johnson B B Gane Gane L L et al et al AGG interruptions within the maternal FMR1 gene reduce the risk of offspring with fragile X syndrome AGG interruptions within the maternal FMR1 gene reduce the risk of offspring with fragile X syndrome Genet Med Genet Med 2012 2012 10.1038/gim.2012.34 10.1038/gim.2012.34