Trinucleotide Repeat ExpansionTrinucleotide RepeatsFriedreich AtaxiaDNA Repeat ExpansionSpinocerebellar DegenerationsMyotonic DystrophyFragile X SyndromeHuntington DiseaseFragile X Mental Retardation ProteinMicrosatellite RepeatsIron-Binding ProteinsAllelesMutationTandem Repeat SequencesRepetitive Sequences, Nucleic AcidBase SequenceMolecular Sequence DataSpinocerebellar AtaxiasPoint MutationMachado-Joseph DiseaseGenetic MarkersPolymerase Chain ReactionPedigreePolymorphism, GeneticDNAHeredodegenerative Disorders, Nervous SystemGenetic VariationNerve Tissue ProteinsMinisatellite RepeatsGenomic InstabilityDinucleotide RepeatsMutation, MissenseGenotypeFrontotemporal DementiaFlap EndonucleasesSequence Analysis, DNAAnticipation, GeneticNucleic Acid ConformationInverted Repeat SequencesAge of OnsetChromosomes, Human, YGenetics, PopulationDNA, SatelliteHaplotypesGene FrequencyHeterozygoteCerebellar AtaxiaGenetic Diseases, InbornModels, GeneticDNA PrimersIntranuclear Inclusion BodiesChromosome FragilityChromosome MappingPhenotypeMuscular Dystrophy, OculopharyngealRNA-Binding ProteinsGenome, HumanExonsForensic GeneticsNuclear ProteinsAmyotrophic Lateral SclerosisGenetic LinkageFrameshift MutationDNA RepairAmino Acid SequenceProteinsNeurodegenerative DiseasesGenes, DominantDNA Mutational AnalysisPeptidesEvolution, MolecularDNA-Binding ProteinsTranscription, GeneticMice, TransgenicSaccharomyces cerevisiaeMutS Homolog 2 ProteinReceptors, AndrogenDNA ReplicationRecombination, GeneticGenetic TestingSequence DeletionDNA, PlantRNA, MessengerY ChromosomeCell LineRepetitive Sequences, Amino AcidGerm-Line MutationPhylogenyChromosomes, Human, XExpressed Sequence TagsMyoclonic Epilepsies, ProgressivePolymorphism, Single NucleotideDisease Models, AnimalSaccharomyces cerevisiae ProteinsNucleic Acid HeteroduplexesFounder EffectTandem Mass SpectrometryGenetic LociX ChromosomeTranscription Factors