Trinucleotide Repeat ExpansionTrinucleotide RepeatsFriedreich AtaxiaDNA Repeat ExpansionSpinocerebellar DegenerationsMyotonic DystrophyFragile X SyndromeHuntington DiseaseFragile X Mental Retardation ProteinMicrosatellite RepeatsIron-Binding ProteinsAllelesRepetitive Sequences, Nucleic AcidMutationBase SequenceMolecular Sequence DataSpinocerebellar AtaxiasMachado-Joseph DiseaseTandem Repeat SequencesMinisatellite RepeatsGenetic MarkersHeredodegenerative Disorders, Nervous SystemDinucleotide RepeatsPolymorphism, GeneticDNADNA, SatelliteGenomic InstabilityNerve Tissue ProteinsPolymerase Chain ReactionGenetic VariationFrontotemporal DementiaFlap EndonucleasesPedigreeAnticipation, GeneticSequence Analysis, DNANucleic Acid ConformationInverted Repeat SequencesChromosome MappingCerebellar AtaxiaAge of OnsetIntranuclear Inclusion BodiesGenotypeChromosome FragilityGenetic Diseases, InbornMuscular Dystrophy, OculopharyngealModels, GeneticExpressed Sequence TagsDNA PrimersDNA, PlantRNA-Binding ProteinsPhenotypeGenetic LinkageAmyotrophic Lateral SclerosisGenetics, PopulationGene FrequencyNuclear ProteinsNeurodegenerative DiseasesHaplotypesHeterozygoteEvolution, MolecularGenome, PlantGenome, HumanDNA RepairPeptidesProteinsAmino Acid SequenceTranscription, GeneticReceptors, AndrogenPhylogenyRepetitive Sequences, Amino AcidDNA ReplicationMice, TransgenicRecombination, GeneticExonsMutS Homolog 2 ProteinSaccharomyces cerevisiaeGenes, DominantSpecies SpecificityGenetic LociDNA-Binding ProteinsRNA, MessengerMyoclonic Epilepsies, ProgressiveChromosomes, Human, XNucleic Acid HeteroduplexesDNA Mutational AnalysisX ChromosomeDisease Models, Animal