Trinucleotide Repeat ExpansionTrinucleotide RepeatsFriedreich AtaxiaDNA Repeat ExpansionSpinocerebellar DegenerationsMyotonic DystrophyFragile X SyndromeRecombination, GeneticHuntington DiseaseFragile X Mental Retardation ProteinMicrosatellite RepeatsAllelesIron-Binding ProteinsChromosome MappingChromosomesMutationBase SequenceRepetitive Sequences, Nucleic AcidMolecular Sequence DataTandem Repeat SequencesGenetic MarkersSpinocerebellar AtaxiasDNAX ChromosomeMachado-Joseph DiseasePolymorphism, GeneticPedigreeGenomic InstabilityGenetic VariationPolymerase Chain ReactionModels, GeneticHeredodegenerative Disorders, Nervous SystemMinisatellite RepeatsSequence Analysis, DNANerve Tissue ProteinsGenetic LinkageDinucleotide RepeatsNucleic Acid ConformationDNA, SatelliteFlap EndonucleasesGenotypeChromosome BandingFrontotemporal DementiaAnticipation, GeneticInverted Repeat SequencesDNA RepairPhenotypeChromosome FragilitySex ChromosomesChromosomes, Human, Pair 9Chromosome AberrationsChromosomes, HumanChromosomes, Human, XHaplotypesDNA PrimersChromosomes, Human, Pair 1Evolution, MolecularAge of OnsetNuclear ProteinsCerebellar AtaxiaChromosomes, BacterialHeterozygoteGenetic Diseases, InbornHomologous RecombinationDNA-Binding ProteinsChromosome SegregationIntranuclear Inclusion BodiesChromosomes, FungalChromosomes, PlantGenetics, PopulationRNA-Binding ProteinsSaccharomyces cerevisiaeMuscular Dystrophy, OculopharyngealAmino Acid SequenceChromosome DeletionDNA ReplicationGenome, HumanGene FrequencyMeiosisPhylogenyChromosomes, MammalianChromosome PairingChromosomes, Human, YChromosomes, Human, Pair 6Chromosomes, Human, Pair 7Chromosomes, Human, Pair 17Chromosomes, Human, Pair 11Chromosomes, Artificial, BacterialProteinsAmyotrophic Lateral SclerosisChromosomes, Human, Pair 21Transcription, GeneticGenes, DominantNeurodegenerative DiseasesDNA, PlantDNA, FungalPeptidesSaccharomyces cerevisiae ProteinsMice, TransgenicExons