Trinucleotide Repeat ExpansionTrinucleotide RepeatsFragile X SyndromeFragile X Mental Retardation ProteinFriedreich AtaxiaDNA Repeat ExpansionSpinocerebellar DegenerationsMyotonic DystrophyHuntington DiseaseIron-Binding ProteinsAllelesMutationAtaxiaTremorRepetitive Sequences, Nucleic AcidBase SequenceSpinocerebellar AtaxiasPedigreePoint MutationMachado-Joseph DiseaseHeterozygoteNerve Tissue ProteinsMolecular Sequence DataHeredodegenerative Disorders, Nervous SystemIntranuclear Inclusion BodiesPrimary Ovarian InsufficiencyDNAMutation, MissenseGenomic InstabilityMicrosatellite RepeatsFrontotemporal DementiaPolymerase Chain ReactionFlap EndonucleasesAnticipation, GeneticRNA-Binding ProteinsAge of OnsetNucleic Acid ConformationInverted Repeat SequencesTandem Repeat SequencesMinisatellite RepeatsCerebellar AtaxiaPhenotypeGenetic Diseases, InbornChromosome FragilityMuscular Dystrophy, OculopharyngealPolymorphism, GeneticGenotypeNuclear ProteinsSequence Analysis, DNAGenetic TestingModels, GeneticAmyotrophic Lateral SclerosisExonsDNA Mutational AnalysisNeurodegenerative DiseasesGene Knock-In TechniquesProteinsDNA RepairMice, TransgenicRNA, MessengerGenes, DominantDNA PrimersPeptidesFrameshift MutationAmino Acid SequenceTranscription, GeneticGene FrequencyHeterozygote DetectionDisease Models, AnimalReceptors, AndrogenDNA-Binding ProteinsSaccharomyces cerevisiaeChromosomes, Human, XDNA ReplicationGenetic MarkersGenome, HumanMutS Homolog 2 ProteinGerm-Line MutationMosaicismCell LineChromosome MappingGenetic VariationSequence DeletionMyoclonic Epilepsies, ProgressiveIntellectual DisabilityBrainNucleic Acid HeteroduplexesSaccharomyces cerevisiae ProteinsRepetitive Sequences, Amino AcidRecombination, GeneticTranscription Factors