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 DataGenetic MarkersSpinocerebellar AtaxiasDNAX ChromosomeMachado-Joseph DiseasePedigreeGenomic InstabilityPolymorphism, GeneticHeredodegenerative Disorders, Nervous SystemGenetic VariationPolymerase Chain ReactionModels, GeneticSequence Analysis, DNANerve Tissue ProteinsGenetic LinkageDinucleotide RepeatsMinisatellite RepeatsTandem Repeat SequencesNucleic Acid ConformationFlap EndonucleasesDNA, SatelliteChromosome BandingFrontotemporal DementiaGenotypeAnticipation, GeneticInverted Repeat SequencesDNA RepairChromosome FragilityPhenotypeSex ChromosomesChromosomes, Human, Pair 9Chromosome AberrationsChromosomes, Human, XChromosomes, HumanHaplotypesDNA PrimersChromosomes, Human, Pair 1Age of OnsetCerebellar AtaxiaEvolution, MolecularNuclear ProteinsChromosomes, BacterialHeterozygoteGenetic Diseases, InbornHomologous RecombinationChromosome SegregationIntranuclear Inclusion BodiesChromosomes, FungalDNA-Binding ProteinsChromosomes, PlantMuscular Dystrophy, OculopharyngealRNA-Binding ProteinsGenetics, PopulationChromosome DeletionSaccharomyces cerevisiaeGenome, HumanDNA ReplicationMeiosisGene FrequencyChromosome PairingChromosomes, MammalianChromosomes, Human, Pair 6PhylogenyChromosomes, Human, Pair 7Chromosomes, Human, Pair 17Chromosomes, Human, Pair 11Amino Acid SequenceChromosomes, Human, YChromosomes, Artificial, BacterialAmyotrophic Lateral SclerosisProteinsChromosomes, Human, Pair 21Genes, DominantNeurodegenerative DiseasesDNA, PlantDNA, FungalTranscription, GeneticMice, TransgenicSaccharomyces cerevisiae ProteinsChromosomes, Human, Pair 13Chromosomes, Human, Pair 2