Trinucleotide Repeat ExpansionTrinucleotide RepeatsMicrosatellite RepeatsFragile X SyndromeFragile X Mental Retardation ProteinFriedreich AtaxiaDNA Repeat ExpansionSpinocerebellar DegenerationsMyotonic DystrophyHuntington DiseaseIron-Binding ProteinsAllelesMutationRepetitive Sequences, Nucleic AcidBase SequenceSpinocerebellar AtaxiasMachado-Joseph DiseaseNerve Tissue ProteinsHeredodegenerative Disorders, Nervous SystemMolecular Sequence DataDNAPedigreeGenomic InstabilityRNA-Binding ProteinsGenetic MarkersDinucleotide RepeatsPolymorphism, GeneticMinisatellite RepeatsChromosome FragilityPolymerase Chain ReactionFrontotemporal DementiaTandem Repeat SequencesFlap EndonucleasesAnticipation, GeneticNucleic Acid ConformationGenetic VariationIntranuclear Inclusion BodiesInverted Repeat SequencesDNA, SatelliteCerebellar AtaxiaAge of OnsetSequence Analysis, DNAGenetic Diseases, InbornHeterozygoteMuscular Dystrophy, OculopharyngealGenotypeModels, GeneticPhenotypeDNA PrimersChromosome MappingAmyotrophic Lateral SclerosisHaplotypesGene FrequencyNeurodegenerative DiseasesX ChromosomeGenetics, PopulationNuclear ProteinsAtaxiaGenetic LinkageDNA RepairGenome, HumanProteinsPeptidesSex Chromosome AberrationsMice, TransgenicGenetic TestingReceptors, AndrogenDisease Models, AnimalDNA ReplicationChromosomes, Human, XMutS Homolog 2 ProteinRNA, MessengerGenes, DominantExonsEvolution, MolecularDNA, PlantTranscription, GeneticDNA Mutational AnalysisMyoclonic Epilepsies, ProgressiveExpressed Sequence TagsDNA-Binding ProteinsSaccharomyces cerevisiaeAmino Acid SequenceChromosome Fragile SitesRecombination, GeneticRepetitive Sequences, Amino AcidBrainNucleic Acid HeteroduplexesGenetic LociMosaicismTremor