Trinucleotide Repeat ExpansionTrinucleotide RepeatsFriedreich AtaxiaDNA Repeat ExpansionSpinocerebellar DegenerationsMyotonic DystrophyFragile X SyndromeHuntington DiseaseFragile X Mental Retardation ProteinExonsMicrosatellite RepeatsIron-Binding ProteinsAllelesMutationRepetitive Sequences, Nucleic AcidBase SequenceGenetic VariationTandem Repeat SequencesMolecular Sequence DataSpinocerebellar AtaxiasMachado-Joseph DiseaseHeredodegenerative Disorders, Nervous SystemPolymorphism, GeneticDNAMinisatellite RepeatsNerve Tissue ProteinsGenomic InstabilityDinucleotide RepeatsPolymerase Chain ReactionGenetic MarkersPedigreeFrontotemporal DementiaFlap EndonucleasesAnticipation, GeneticNucleic Acid ConformationSequence Analysis, DNAInverted Repeat SequencesDNA, SatelliteGenotypeAge of OnsetCerebellar AtaxiaModels, GeneticIntranuclear Inclusion BodiesGenetic Diseases, InbornChromosome FragilityMuscular Dystrophy, OculopharyngealPhenotypeDNA PrimersChromosome MappingRNA-Binding ProteinsHaplotypesGene FrequencyGenetics, PopulationHeterozygoteNuclear ProteinsGenome, HumanAmyotrophic Lateral SclerosisNeurodegenerative DiseasesAmino Acid SequenceGenetic LinkageDNA RepairProteinsPeptidesEvolution, MolecularTranscription, GeneticReceptors, AndrogenRNA, MessengerPhylogenyMice, TransgenicDNA Mutational AnalysisGenes, DominantMutS Homolog 2 ProteinDNA, PlantDNA ReplicationIntronsRecombination, GeneticExpressed Sequence TagsDNA-Binding ProteinsRepetitive Sequences, Amino AcidSaccharomyces cerevisiaeSpecies SpecificityGenetic LociTandem Mass SpectrometryChromosomes, Human, XMyoclonic Epilepsies, ProgressiveSequence DeletionNucleic Acid HeteroduplexesDisease Models, AnimalCell LinePolymorphism, Single NucleotideX ChromosomeGenetic TestingPromoter Regions, Genetic