Trinucleotide Repeat ExpansionTrinucleotide RepeatsFriedreich AtaxiaDNA Repeat ExpansionSpinocerebellar DegenerationsMyotonic DystrophyFragile X SyndromeHuntington DiseaseFragile X Mental Retardation ProteinMicrosatellite RepeatsIron-Binding ProteinsAllelesMutationRepetitive Sequences, Nucleic AcidBase SequenceTandem Repeat SequencesMolecular Sequence DataSpinocerebellar AtaxiasPoint MutationMachado-Joseph DiseasePedigreeHeredodegenerative Disorders, Nervous SystemPolymerase Chain ReactionDNAPolymorphism, GeneticNerve Tissue ProteinsMinisatellite RepeatsGenomic InstabilityDinucleotide RepeatsGenetic MarkersMutation, MissenseFrontotemporal DementiaGenetic VariationFlap EndonucleasesSequence Analysis, DNAAnticipation, GeneticNucleic Acid ConformationGenotypeInverted Repeat SequencesAge of OnsetDNA, SatelliteHeterozygoteCerebellar AtaxiaGenetic Diseases, InbornModels, GeneticDNA PrimersIntranuclear Inclusion BodiesChromosome FragilityChromosome MappingPhenotypeMuscular Dystrophy, OculopharyngealRNA-Binding ProteinsExonsGene FrequencyNuclear ProteinsAmyotrophic Lateral SclerosisGenetic LinkageFrameshift MutationDNA RepairAmino Acid SequenceGenetics, PopulationProteinsNeurodegenerative DiseasesHaplotypesGenes, DominantDNA Mutational AnalysisPeptidesGenome, HumanEvolution, MolecularDNA-Binding ProteinsTranscription, GeneticMice, TransgenicSaccharomyces cerevisiaeMutS Homolog 2 ProteinReceptors, AndrogenDNA ReplicationRecombination, GeneticGenetic TestingSequence DeletionDNA, PlantRNA, MessengerCell LineRepetitive Sequences, Amino AcidGerm-Line MutationPhylogenyChromosomes, Human, XExpressed Sequence TagsMyoclonic Epilepsies, ProgressiveDisease Models, AnimalSaccharomyces cerevisiae ProteinsNucleic Acid HeteroduplexesFounder EffectTandem Mass SpectrometryGenetic LociX ChromosomeTranscription FactorsMutation RatePromoter Regions, GeneticSpecies SpecificityAtaxia