Trinucleotide Repeat ExpansionTrinucleotide RepeatsFriedreich AtaxiaDNA Repeat ExpansionSpinocerebellar DegenerationsMyotonic DystrophyFragile X SyndromeHuntington DiseaseFragile X Mental Retardation ProteinExonsMicrosatellite RepeatsIron-Binding ProteinsAllelesMutationRepetitive Sequences, Nucleic AcidBase SequenceTandem Repeat SequencesMolecular Sequence DataSpinocerebellar AtaxiasMachado-Joseph DiseaseHeredodegenerative Disorders, Nervous SystemPropensity ScoreDNAMinisatellite RepeatsPolymorphism, GeneticNerve Tissue ProteinsGenomic InstabilityDinucleotide RepeatsPolymerase Chain ReactionPedigreeGenetic MarkersFrontotemporal DementiaFlap EndonucleasesAnticipation, GeneticGenetic VariationNucleic Acid ConformationInverted Repeat SequencesSequence Analysis, DNADNA, SatelliteAge of OnsetCerebellar AtaxiaIntranuclear Inclusion BodiesGenotypeChromosome FragilityGenetic Diseases, InbornModels, GeneticMuscular Dystrophy, OculopharyngealRNA-Binding ProteinsDNA PrimersChromosome MappingPhenotypeHaplotypesAmyotrophic Lateral SclerosisGene FrequencyNuclear ProteinsHeterozygoteProteinsPeptidesAmino Acid SequenceNeurodegenerative DiseasesGenetics, PopulationGenome, HumanDNA RepairGenetic LinkageEvolution, MolecularTranscription, GeneticMice, TransgenicReceptors, AndrogenRNA, MessengerDNA Mutational AnalysisGenes, DominantMutS Homolog 2 ProteinDNA, PlantDNA ReplicationDNA-Binding ProteinsRepetitive Sequences, Amino AcidExpressed Sequence TagsSaccharomyces cerevisiaeIntronsRecombination, GeneticPhylogenyMyoclonic Epilepsies, ProgressiveTandem Mass SpectrometryChromosomes, Human, XDisease Models, AnimalSequence DeletionNucleic Acid HeteroduplexesGenetic LociCell LineSpecies SpecificityX ChromosomeSaccharomyces cerevisiae ProteinsGenetic TestingRNA