Trinucleotide Repeat ExpansionTrinucleotide RepeatsFriedreich AtaxiaDNA Repeat ExpansionSpinocerebellar DegenerationsMyotonic DystrophyFragile X SyndromeHuntington DiseaseFragile X Mental Retardation ProteinMicrosatellite RepeatsIron-Binding ProteinsAllelesChromosome MappingChromosomesRepetitive Sequences, Nucleic AcidMutationBase SequenceGenomeMolecular Sequence DataTandem Repeat SequencesSpinocerebellar AtaxiasGenetic MarkersMachado-Joseph DiseaseX ChromosomeDNAGenome, HumanSequence Analysis, DNAPolymorphism, GeneticGenomic InstabilityHeredodegenerative Disorders, Nervous SystemPedigreeMinisatellite RepeatsPolymerase Chain ReactionGenome, BacterialGenetic VariationNerve Tissue ProteinsDinucleotide RepeatsDNA, SatelliteNucleic Acid ConformationFrontotemporal DementiaChromosome BandingFlap EndonucleasesModels, GeneticGenetic LinkageAnticipation, GeneticGenome, ViralGenome, PlantInverted Repeat SequencesGenotypeChromosome FragilityPhenotypeChromosomes, Human, Pair 9Sex ChromosomesChromosome AberrationsChromosomes, Human, XChromosomes, HumanEvolution, MolecularAge of OnsetChromosomes, Human, Pair 1Cerebellar AtaxiaGenetic Diseases, InbornDNA PrimersIntranuclear Inclusion BodiesHaplotypesPhylogenyRNA-Binding ProteinsMuscular Dystrophy, OculopharyngealRecombination, GeneticChromosomes, BacterialChromosomes, PlantHeterozygoteNuclear ProteinsAmino Acid SequenceChromosome SegregationChromosomes, Artificial, BacterialGene FrequencyGenetics, PopulationChromosome DeletionChromosomes, Human, Pair 6Chromosomes, Human, YChromosomes, Human, Pair 7Chromosomes, MammalianChromosomes, Human, Pair 11Chromosomes, Human, Pair 17Amyotrophic Lateral SclerosisDNA ReplicationProteinsDNA, PlantTranscription, GeneticDNA RepairNeurodegenerative DiseasesChromosomes, FungalPeptidesChromosomes, Human, Pair 21Saccharomyces cerevisiaeChromosomes, Human, Pair 2DNA-Binding ProteinsExonsGenes, DominantChromosomes, Human, Pair 13