Trinucleotide Repeat ExpansionTrinucleotide RepeatsFriedreich AtaxiaDNA Repeat ExpansionSpinocerebellar DegenerationsMyotonic DystrophyFragile X SyndromeHuntington DiseaseFragile X Mental Retardation ProteinMicrosatellite RepeatsIron-Binding ProteinsAllelesPhenotypeMutationRepetitive Sequences, Nucleic AcidBase SequenceTandem Repeat SequencesSpinocerebellar AtaxiasMolecular Sequence DataMachado-Joseph DiseaseHeredodegenerative Disorders, Nervous SystemMinisatellite RepeatsPolymorphism, GeneticGenomic InstabilityDNANerve Tissue ProteinsDinucleotide RepeatsGenetic MarkersPedigreePolymerase Chain ReactionFrontotemporal DementiaFlap EndonucleasesAnticipation, GeneticGenetic VariationNucleic Acid ConformationInverted Repeat SequencesDNA, SatelliteSequence Analysis, DNAGenotypeAge of OnsetCerebellar AtaxiaIntranuclear Inclusion BodiesGenetic Diseases, InbornChromosome FragilityModels, GeneticMuscular Dystrophy, OculopharyngealRNA-Binding ProteinsDNA PrimersChromosome MappingHeterozygoteHaplotypesGene FrequencyNuclear ProteinsAmyotrophic Lateral SclerosisGenetics, PopulationNeurodegenerative DiseasesDNA RepairGenetic LinkagePeptidesGenome, HumanProteinsMice, TransgenicAmino Acid SequenceGenes, DominantReceptors, AndrogenEvolution, MolecularTranscription, GeneticExonsSaccharomyces cerevisiaeDNA, PlantDNA ReplicationMutS Homolog 2 ProteinDNA-Binding ProteinsRNA, MessengerRecombination, GeneticRepetitive Sequences, Amino AcidDNA Mutational AnalysisDisease Models, AnimalExpressed Sequence TagsPhylogenyMyoclonic Epilepsies, ProgressiveTandem Mass SpectrometryChromosomes, Human, XGenetic LociNucleic Acid HeteroduplexesCell LineSaccharomyces cerevisiae ProteinsSpecies SpecificitySequence DeletionX ChromosomeGenetic Testing