Trinucleotide Repeat ExpansionTrinucleotide RepeatsFragile X SyndromeFragile X Mental Retardation ProteinFriedreich AtaxiaDNA Repeat ExpansionSpinocerebellar DegenerationsMyotonic DystrophyHuntington DiseaseIron-Binding ProteinsAllelesAtaxiaMutationTremorRepetitive Sequences, Nucleic AcidSpinocerebellar AtaxiasMachado-Joseph DiseaseBase SequenceNerve Tissue ProteinsIntranuclear Inclusion BodiesHeredodegenerative Disorders, Nervous SystemHeterozygotePrimary Ovarian InsufficiencyPedigreeMolecular Sequence DataGenomic InstabilityMicrosatellite RepeatsDNAFrontotemporal DementiaFlap EndonucleasesAnticipation, GeneticRNA-Binding ProteinsAge of OnsetNucleic Acid ConformationInverted Repeat SequencesMinisatellite RepeatsTandem Repeat SequencesCerebellar AtaxiaPolymerase Chain ReactionGenetic Diseases, InbornPhenotypeGeneticsChromosome FragilityMuscular Dystrophy, OculopharyngealPolymorphism, GeneticModels, GeneticAmyotrophic Lateral SclerosisGenetic TestingNeurodegenerative DiseasesNuclear ProteinsGenotypeGene Knock-In TechniquesSequence Analysis, DNAPeptidesProteinsMice, TransgenicDNA RepairRNA, MessengerReceptors, AndrogenDisease Models, AnimalGene FrequencyChromosomes, Human, XGenome, HumanGenetic MarkersGenetic VariationTranscription, GeneticDNA PrimersGenes, DominantDNA Mutational AnalysisHeterozygote DetectionDNA ReplicationMyoclonic Epilepsies, ProgressiveGenetics, PopulationMutS Homolog 2 ProteinSaccharomyces cerevisiaeExonsBrainRepetitive Sequences, Amino AcidMosaicismNucleic Acid HeteroduplexesDNA-Binding ProteinsIntellectual DisabilityAmino Acid Sequence