Trinucleotide Repeat ExpansionTrinucleotide RepeatsFriedreich AtaxiaDNA Repeat ExpansionSpinocerebellar DegenerationsMyotonic DystrophyFragile X SyndromeHuntington DiseaseFragile X Mental Retardation ProteinMicrosatellite RepeatsIron-Binding ProteinsAllelesRepetitive Sequences, Nucleic AcidMutationBase SequenceMolecular Sequence DataGenomeTandem Repeat SequencesSpinocerebellar AtaxiasMachado-Joseph DiseaseDNASequence Analysis, DNANucleotidesHeredodegenerative Disorders, Nervous SystemGenome, HumanPolymorphism, GeneticGenomic InstabilityMinisatellite RepeatsGenetic VariationNucleic Acid ConformationPolymerase Chain ReactionGenetic MarkersGenome, BacterialNerve Tissue ProteinsDinucleotide RepeatsGenome, ViralPedigreeFlap EndonucleasesFrontotemporal DementiaAnticipation, GeneticInverted Repeat SequencesGenotypeDNA, SatelliteModels, GeneticGenome, PlantChromosome MappingAmino Acid SequenceAge of OnsetCerebellar AtaxiaDNA PrimersPhylogenyEvolution, MolecularGenetic Diseases, InbornIntranuclear Inclusion BodiesChromosome FragilityRNA-Binding ProteinsMuscular Dystrophy, OculopharyngealPhenotypeHaplotypesGene FrequencyDNA RepairPolymorphism, Single NucleotideGenetics, PopulationTranscription, GeneticNuclear ProteinsHeterozygoteAmyotrophic Lateral SclerosisGenetic LinkageProteinsNeurodegenerative DiseasesPeptidesRecombination, GeneticDNA, PlantDNA ReplicationExonsRNA, MessengerSpecies SpecificityCloning, MolecularSaccharomyces cerevisiaeExpressed Sequence TagsGenome, FungalDNA-Binding ProteinsReceptors, AndrogenMice, TransgenicGenome, MitochondrialGenes, DominantCell LineMutS Homolog 2 ProteinDNA Mutational AnalysisSequence Homology, Nucleic AcidGenetic LociRepetitive Sequences, Amino AcidSequence AlignmentRNANucleic Acid HeteroduplexesSequence DeletionPromoter Regions, GeneticTandem Mass SpectrometryChromosomes, Human, XMyoclonic Epilepsies, Progressive