<P> Fragile X syndrome co-occurs with autism in many cases and is a suspected genetic cause of the autism in these cases . This finding has resulted in screening for FMR1 mutation to be considered mandatory in children diagnosed with autism . Of those with fragile X syndrome , prevalence of concurrent autism spectrum disorder ( ASD ) has been estimated to be between 15 and 60 % , with the variation due to differences in diagnostic methods and the high frequency of autistic features in individuals with fragile X syndrome not meeting the DSM criteria for an ASD . </P>
<P> Fragile X syndrome co-occurs with autism in many cases and is a suspected genetic cause of the autism in these cases . This finding has resulted in screening for FMR1 mutation to be considered mandatory in children diagnosed with autism . Of those with fragile X syndrome , prevalence of concurrent autism spectrum disorder ( ASD ) has been estimated to be between 15 and 60 % , with the variation due to differences in diagnostic methods and the high frequency of autistic features in individuals with fragile X syndrome not meeting the DSM criteria for an ASD . </P>
what type of mutation is fragile x syndrome
what type of mutation is fragile x syndrome
FMR1 mutation
FMR1 mutation