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 DataSpinocerebellar AtaxiasGenetic MarkersMachado-Joseph DiseaseDNAX ChromosomeNucleotidesPolymorphism, GeneticHeredodegenerative Disorders, Nervous SystemPedigreePolymerase Chain ReactionGenomic InstabilityNerve Tissue ProteinsGenetic VariationNucleic Acid ConformationDinucleotide RepeatsSequence Analysis, DNAMinisatellite RepeatsTandem Repeat SequencesFrontotemporal DementiaFlap EndonucleasesDNA, SatelliteChromosome BandingAnticipation, GeneticGenotypeGenetic LinkageInverted Repeat SequencesChromosome FragilityModels, GeneticChromosomes, Human, Pair 9Sex ChromosomesPhenotypeAge of OnsetChromosomes, Human, XChromosome AberrationsChromosomes, Human, Pair 1Cerebellar AtaxiaDNA PrimersHaplotypesChromosomes, HumanGenetic Diseases, InbornAmino Acid SequenceIntranuclear Inclusion BodiesRNA-Binding ProteinsMuscular Dystrophy, OculopharyngealHeterozygoteGene FrequencyNuclear ProteinsChromosome SegregationGenome, HumanChromosomes, BacterialPolymorphism, Single NucleotideChromosome DeletionChromosomes, Human, Pair 6Recombination, GeneticChromosomes, PlantGenetics, PopulationChromosomes, Human, Pair 7Evolution, MolecularDNA RepairChromosomes, Human, Pair 11Amyotrophic Lateral SclerosisChromosomes, Human, Pair 17Chromosomes, Human, YTranscription, GeneticChromosomes, MammalianProteinsDNA ReplicationNeurodegenerative DiseasesChromosomes, Artificial, BacterialExonsPhylogenyChromosomes, Human, Pair 21Cloning, MolecularSaccharomyces cerevisiaeDNA-Binding ProteinsChromosomes, FungalPeptidesGenes, DominantChromosomes, Human, Pair 2DNA, PlantChromosomes, Human, Pair 13RNA, Messenger