Trinucleotide Repeat ExpansionTrinucleotide RepeatsFriedreich AtaxiaDNA Repeat ExpansionSpinocerebellar DegenerationsMyotonic DystrophyFragile X SyndromeHuntington DiseaseFragile X Mental Retardation ProteinMicrosatellite RepeatsIron-Binding ProteinsAllelesRepetitive Sequences, Nucleic AcidMutationBase SequenceTandem Repeat SequencesMolecular Sequence DataSpinocerebellar AtaxiasGenomic InstabilityMachado-Joseph DiseaseHeredodegenerative Disorders, Nervous SystemDNAMinisatellite RepeatsPolymorphism, GeneticNerve Tissue ProteinsDinucleotide RepeatsGenetic MarkersPolymerase Chain ReactionPedigreeGenetic VariationFrontotemporal DementiaFlap EndonucleasesSequence Analysis, DNAAnticipation, GeneticNucleic Acid ConformationInverted Repeat SequencesDNA, SatelliteCerebellar AtaxiaAge of OnsetGenotypeModels, GeneticIntranuclear Inclusion BodiesGenetic Diseases, InbornChromosome FragilityChromosome MappingMuscular Dystrophy, OculopharyngealRNA-Binding ProteinsDNA PrimersPhenotypeGenome, HumanHaplotypesGene FrequencyAmyotrophic Lateral SclerosisGenetics, PopulationNuclear ProteinsHeterozygoteDNA RepairNeurodegenerative DiseasesGenetic LinkagePeptidesProteinsEvolution, MolecularAmino Acid SequenceExonsPhylogenyTranscription, GeneticDNA, PlantReceptors, AndrogenMice, TransgenicDNA ReplicationRecombination, GeneticExpressed Sequence TagsMutS Homolog 2 ProteinGenes, DominantSaccharomyces cerevisiaeDNA-Binding ProteinsRNA, MessengerRepetitive Sequences, Amino AcidGenomeGenetic LociDNA Mutational AnalysisChromosomes, Human, XMyoclonic Epilepsies, ProgressiveTandem Mass SpectrometrySpecies SpecificityGenomic LibraryNucleic Acid HeteroduplexesDisease Models, AnimalCell LineSequence DeletionX ChromosomeSaccharomyces cerevisiae ProteinsGenetic Testing