Trinucleotide Repeat ExpansionTrinucleotide RepeatsFriedreich AtaxiaDNA Repeat ExpansionSpinocerebellar DegenerationsMyotonic DystrophyFragile X SyndromeHuntington DiseaseFragile X Mental Retardation ProteinMicrosatellite RepeatsIron-Binding ProteinsAllelesMutationPhenotypeRepetitive Sequences, Nucleic AcidBase SequenceTandem Repeat SequencesMolecular Sequence DataSpinocerebellar AtaxiasMachado-Joseph DiseaseHeredodegenerative Disorders, Nervous SystemPropensity ScoreMinisatellite RepeatsPolymorphism, GeneticDNAGenomic InstabilityNerve Tissue ProteinsDinucleotide RepeatsGenetic MarkersPedigreePolymerase Chain ReactionFrontotemporal DementiaFlap EndonucleasesAnticipation, GeneticGenetic VariationNucleic Acid ConformationInverted Repeat SequencesDNA, SatelliteSequence Analysis, DNAGenotypeAge of OnsetCerebellar AtaxiaIntranuclear Inclusion BodiesGenetic Diseases, InbornModels, GeneticChromosome FragilityMuscular Dystrophy, OculopharyngealRNA-Binding ProteinsDNA PrimersChromosome MappingHeterozygoteAmyotrophic Lateral SclerosisNuclear ProteinsHaplotypesGene FrequencyPeptidesProteinsNeurodegenerative DiseasesGenetics, PopulationAmino Acid SequenceDNA RepairGenetic LinkageGenome, HumanMice, TransgenicEvolution, MolecularGenes, DominantReceptors, AndrogenTranscription, GeneticExonsSaccharomyces cerevisiaeDNA-Binding ProteinsDNA ReplicationDNA, PlantMutS Homolog 2 ProteinRNA, MessengerRecombination, GeneticDisease Models, AnimalRepetitive Sequences, Amino AcidDNA Mutational AnalysisPhylogenyExpressed Sequence TagsMyoclonic Epilepsies, ProgressiveTandem Mass SpectrometryChromosomes, Human, XCell LineGenetic LociSaccharomyces cerevisiae ProteinsNucleic Acid HeteroduplexesSpecies SpecificitySequence DeletionX ChromosomeGenetic Testing