Trinucleotide Repeat ExpansionTrinucleotide RepeatsFriedreich AtaxiaDNA Repeat ExpansionSpinocerebellar DegenerationsMyotonic DystrophyFragile X SyndromeHuntington DiseaseFragile X Mental Retardation ProteinMicrosatellite RepeatsIron-Binding ProteinsAllelesRepetitive Sequences, Nucleic AcidBase SequenceMutationGenomeMolecular Sequence DataSpinocerebellar AtaxiasTandem Repeat SequencesMachado-Joseph DiseaseDNAHeredodegenerative Disorders, Nervous SystemGenome, HumanGenomic InstabilitySequence Analysis, DNAPolymorphism, GeneticDNA, SatelliteGenetic MarkersGenome, BacterialNerve Tissue ProteinsDinucleotide RepeatsPolymerase Chain ReactionGenetic VariationMinisatellite RepeatsNucleic Acid ConformationFrontotemporal DementiaFlap EndonucleasesPedigreeAnticipation, GeneticGenome, ViralInverted Repeat SequencesGenome, PlantChromosome MappingModels, GeneticCerebellar AtaxiaAge of OnsetIntranuclear Inclusion BodiesGenetic Diseases, InbornGenotypeChromosome FragilityEvolution, MolecularMuscular Dystrophy, OculopharyngealDNA PrimersRNA-Binding ProteinsPhylogenyPhenotypeAmino Acid SequenceGenetic LinkageAmyotrophic Lateral SclerosisHaplotypesNuclear ProteinsGene FrequencyGenetics, PopulationDNA RepairHeterozygoteNeurodegenerative DiseasesTranscription, GeneticDNA, PlantRecombination, GeneticProteinsPeptidesDNA ReplicationGenome, FungalExonsSaccharomyces cerevisiaeSpecies SpecificityReceptors, AndrogenExpressed Sequence TagsRepetitive Sequences, Amino AcidMice, TransgenicDNA-Binding ProteinsRNA, MessengerMutS Homolog 2 ProteinGenes, DominantGenome, MitochondrialCloning, MolecularGenetic LociMyoclonic Epilepsies, ProgressiveCell LineDNA Mutational AnalysisChromosomes, Human, XNucleic Acid HeteroduplexesBlotting, SouthernSequence DeletionX ChromosomeSequence Homology, Nucleic AcidRNADNA, FungalDisease Models, AnimalSequence Alignment