Trinucleotide Repeat ExpansionTrinucleotide RepeatsFriedreich AtaxiaDNA Repeat ExpansionSpinocerebellar DegenerationsMyotonic DystrophyFragile X SyndromeHuntington DiseaseFragile X Mental Retardation ProteinMicrosatellite RepeatsIron-Binding ProteinsAllelesRepetitive Sequences, Nucleic AcidMutationTandem Repeat SequencesBase SequenceSpinocerebellar AtaxiasMinisatellite RepeatsMachado-Joseph DiseaseMolecular Sequence DataGenetic MarkersDinucleotide RepeatsHeredodegenerative Disorders, Nervous SystemPolymorphism, GeneticNerve Tissue ProteinsGenomic InstabilityDNAPolymerase Chain ReactionFrontotemporal DementiaFlap EndonucleasesPedigreeGenetic VariationAnticipation, GeneticSequence Analysis, DNANucleic Acid ConformationInverted Repeat SequencesDNA, SatelliteCerebellar AtaxiaAge of OnsetGenotypeIntranuclear Inclusion BodiesChromosome FragilityGenetic Diseases, InbornChromosome MappingMuscular Dystrophy, OculopharyngealExpressed Sequence TagsModels, GeneticRNA-Binding ProteinsDNA PrimersDNA, PlantPhenotypeGene FrequencyGenetics, PopulationAmyotrophic Lateral SclerosisGenetic LinkageHaplotypesNeurodegenerative DiseasesHeterozygoteNuclear ProteinsDNA RepairPeptidesGenome, HumanGenome, PlantProteinsEvolution, MolecularReceptors, AndrogenMice, TransgenicMutS Homolog 2 ProteinPhylogenyDNA ReplicationGenes, DominantAmino Acid SequenceGenetic LociTranscription, GeneticExonsRepetitive Sequences, Amino AcidSaccharomyces cerevisiaeDNA-Binding ProteinsMyoclonic Epilepsies, ProgressiveRecombination, GeneticTandem Mass SpectrometrySpecies SpecificityChromosomes, Human, XNucleic Acid HeteroduplexesRNA, MessengerDNA Mutational AnalysisDisease Models, Animal