Trinucleotide Repeat ExpansionTrinucleotide RepeatsFriedreich AtaxiaDNA Repeat ExpansionSpinocerebellar DegenerationsMyotonic DystrophyFragile X SyndromeHuntington DiseaseFragile X Mental Retardation ProteinMicrosatellite RepeatsGene DuplicationIron-Binding ProteinsAllelesChromosome MappingChromosomesMutationRepetitive Sequences, Nucleic AcidBase SequenceMolecular Sequence DataSpinocerebellar AtaxiasGenetic MarkersX ChromosomeMachado-Joseph DiseaseDNAPedigreeHeredodegenerative Disorders, Nervous SystemPolymorphism, GeneticTandem Repeat SequencesGenomic InstabilityPolymerase Chain ReactionNerve Tissue ProteinsGenetic VariationDinucleotide RepeatsSequence Analysis, DNAChromosome BandingEvolution, MolecularMinisatellite RepeatsModels, GeneticDNA, SatelliteFrontotemporal DementiaFlap EndonucleasesAnticipation, GeneticGenetic LinkageNucleic Acid ConformationChromosome AberrationsInverted Repeat SequencesChromosomes, Human, XChromosome FragilityPhenotypeChromosomes, Human, Pair 9GenotypeSex ChromosomesChromosomes, HumanChromosomes, Human, Pair 1Age of OnsetChromosome DuplicationSegmental Duplications, GenomicCerebellar AtaxiaPhylogenyGenetic Diseases, InbornIntranuclear Inclusion BodiesDNA PrimersHaplotypesGenome, HumanHeterozygoteMuscular Dystrophy, OculopharyngealRNA-Binding ProteinsChromosome DeletionNuclear ProteinsChromosomes, PlantChromosomes, BacterialRecombination, GeneticChromosome SegregationChromosomes, Human, Pair 17Chromosomes, Human, Pair 7Amino Acid SequenceChromosomes, Human, Pair 6Gene FrequencyChromosomes, Human, YChromosomes, Human, Pair 11Chromosomes, Artificial, BacterialGenetics, PopulationChromosomes, MammalianAmyotrophic Lateral SclerosisExonsProteinsIn Situ Hybridization, FluorescenceDNA ReplicationNeurodegenerative DiseasesChromosomes, FungalChromosomes, Human, Pair 2DNA RepairChromosomes, Human, Pair 21Genes, DominantChromosomes, Human, Pair 16DNA, PlantChromosomes, Human, Pair 13Saccharomyces cerevisiaeChromosomes, Human, Pair 22Multigene Family