Trinucleotide Repeat ExpansionTrinucleotide RepeatsFriedreich AtaxiaDNA Repeat ExpansionSpinocerebellar DegenerationsMyotonic DystrophyFragile X SyndromeHuntington DiseaseFragile X Mental Retardation ProteinMicrosatellite RepeatsIron-Binding ProteinsAllelesDinucleotide RepeatsRepetitive Sequences, Nucleic AcidMutationBase SequenceTandem Repeat SequencesSpinocerebellar AtaxiasMolecular Sequence DataMachado-Joseph DiseaseHeredodegenerative Disorders, Nervous SystemMinisatellite RepeatsDNAPolymorphism, GeneticGenomic InstabilityNerve Tissue ProteinsGenetic MarkersPedigreePolymerase Chain ReactionFrontotemporal DementiaFlap EndonucleasesNucleic Acid ConformationAnticipation, GeneticGenetic VariationDNA, SatelliteInverted Repeat SequencesSequence Analysis, DNACerebellar AtaxiaAge of OnsetIntranuclear Inclusion BodiesChromosome FragilityGenetic Diseases, InbornGenotypeMuscular Dystrophy, OculopharyngealModels, GeneticRNA-Binding ProteinsDNA PrimersChromosome MappingPhenotypeGene FrequencyAmyotrophic Lateral SclerosisHaplotypesHeterozygoteNuclear ProteinsNeurodegenerative DiseasesDNA RepairGenetics, PopulationGenome, HumanPeptidesGenetic LinkageProteinsEvolution, MolecularAmino Acid SequenceFlavin-Adenine DinucleotideReceptors, AndrogenMice, TransgenicTranscription, GeneticExonsMutS Homolog 2 ProteinDNA, PlantDNA ReplicationGenes, DominantSaccharomyces cerevisiaeExpressed Sequence TagsDNA-Binding ProteinsRepetitive Sequences, Amino AcidNADRecombination, GeneticRNA, MessengerMyoclonic Epilepsies, ProgressivePhylogenyTandem Mass SpectrometryDNA Mutational AnalysisChromosomes, Human, XGenetic LociNucleic Acid HeteroduplexesDisease Models, AnimalSpecies SpecificityX Chromosome