Trinucleotide Repeat ExpansionTrinucleotide RepeatsFriedreich AtaxiaDNA Repeat ExpansionSpinocerebellar DegenerationsMyotonic DystrophyFragile X SyndromeHuntington DiseaseFragile X Mental Retardation ProteinMicrosatellite RepeatsIron-Binding ProteinsAllelesPhenotypeMutationRepetitive Sequences, Nucleic AcidBase SequenceTandem Repeat SequencesMolecular Sequence DataSpinocerebellar AtaxiasMinisatellite RepeatsMachado-Joseph DiseaseGenetic MarkersPolymorphism, GeneticDinucleotide RepeatsHeredodegenerative Disorders, Nervous SystemGenomic InstabilityDNANerve Tissue ProteinsPedigreePolymerase Chain ReactionGenetic VariationFrontotemporal DementiaFlap EndonucleasesAnticipation, GeneticSequence Analysis, DNANucleic Acid ConformationGenotypeInverted Repeat SequencesDNA, SatelliteAge of OnsetChromosome MappingCerebellar AtaxiaIntranuclear Inclusion BodiesModels, GeneticGenetic Diseases, InbornChromosome FragilityDNA PrimersMuscular Dystrophy, OculopharyngealExpressed Sequence TagsRNA-Binding ProteinsDNA, PlantGenetic LinkageGene FrequencyHeterozygoteGenetics, PopulationHaplotypesNuclear ProteinsAmyotrophic Lateral SclerosisNeurodegenerative DiseasesDNA RepairPeptidesGenome, HumanProteinsGenome, PlantEvolution, MolecularMice, TransgenicAmino Acid SequenceGenes, DominantReceptors, AndrogenTranscription, GeneticPhylogenyExonsSaccharomyces cerevisiaeGenetic LociDNA ReplicationMutS Homolog 2 ProteinDNA-Binding ProteinsRNA, MessengerRecombination, GeneticRepetitive Sequences, Amino AcidDNA Mutational AnalysisSpecies SpecificityDisease Models, AnimalMyoclonic Epilepsies, ProgressiveTandem Mass SpectrometryChromosomes, Human, XNucleic Acid HeteroduplexesCell LineSaccharomyces cerevisiae ProteinsSequence DeletionX ChromosomeGenetic Testing