Trinucleotide Repeat ExpansionTrinucleotide RepeatsFriedreich AtaxiaDNA Repeat ExpansionSpinocerebellar DegenerationsMyotonic DystrophyFragile X SyndromeHuntington DiseaseFragile X Mental Retardation ProteinMicrosatellite RepeatsIron-Binding ProteinsAllelesChromosome MappingChromosomesMutationRepetitive Sequences, Nucleic AcidBase SequenceMolecular Sequence DataTandem Repeat SequencesSpinocerebellar AtaxiasGenomic InstabilityGenetic MarkersMachado-Joseph DiseaseX ChromosomeDNAPolymorphism, GeneticPedigreeHeredodegenerative Disorders, Nervous SystemPolymerase Chain ReactionMinisatellite RepeatsNerve Tissue ProteinsSequence Analysis, DNADinucleotide RepeatsGenetic VariationDNA, SatelliteChromosome BandingFrontotemporal DementiaFlap EndonucleasesNucleic Acid ConformationAnticipation, GeneticGenetic LinkageModels, GeneticGenotypeInverted Repeat SequencesChromosome FragilityChromosome AberrationsChromosomes, Human, Pair 9PhenotypeSex ChromosomesChromosomes, Human, XChromosomes, HumanChromosomes, Human, Pair 1Age of OnsetCerebellar AtaxiaDNA PrimersGenetic Diseases, InbornGenome, HumanIntranuclear Inclusion BodiesHaplotypesRNA-Binding ProteinsMuscular Dystrophy, OculopharyngealHeterozygoteNuclear ProteinsChromosome SegregationAmino Acid SequenceChromosomes, BacterialEvolution, MolecularGene FrequencyChromosomes, PlantChromosome DeletionRecombination, GeneticChromosomes, Human, Pair 6Chromosomes, Human, Pair 7Genetics, PopulationChromosomes, Human, Pair 11Chromosomes, Human, Pair 17Chromosomes, Artificial, BacterialChromosomes, Human, YChromosomes, MammalianAmyotrophic Lateral SclerosisProteinsExonsPhylogenyDNA RepairNeurodegenerative DiseasesTranscription, GeneticDNA ReplicationPeptidesChromosomes, Human, Pair 21Chromosomes, FungalDNA, PlantChromosomes, Human, Pair 13Chromosomes, Human, Pair 2Genes, DominantDNA-Binding ProteinsIn Situ Hybridization, FluorescenceSaccharomyces cerevisiaeChromosomes, Human, Pair 10Chromosomes, Human, 6-12 and XGenome