Trinucleotide Repeat ExpansionTrinucleotide RepeatsFriedreich AtaxiaDNA Repeat ExpansionSpinocerebellar DegenerationsMyotonic DystrophyFragile X SyndromeHuntington DiseaseFragile X Mental Retardation ProteinMicrosatellite RepeatsIron-Binding ProteinsAllelesChromosome MappingChromosomesRepetitive Sequences, Nucleic AcidMutationBase SequenceTandem Repeat SequencesMolecular Sequence DataSpinocerebellar AtaxiasMachado-Joseph DiseaseGenetic MarkersX ChromosomeDNAHeredodegenerative Disorders, Nervous SystemPolymorphism, GeneticPedigreeMinisatellite RepeatsGenomic InstabilityNerve Tissue ProteinsPolymerase Chain ReactionDinucleotide RepeatsGenetic VariationDNA, SatelliteFrontotemporal DementiaFlap EndonucleasesChromosome BandingAnticipation, GeneticSequence Analysis, DNANucleic Acid ConformationChromosome FragilityGenetic LinkageInverted Repeat SequencesGenotypeChromosomes, Human, Pair 9Sex ChromosomesModels, GeneticChromosome AberrationsChromosomes, Human, XAge of OnsetCerebellar AtaxiaChromosomes, Human, Pair 1PhenotypeChromosomes, HumanIntranuclear Inclusion BodiesGenetic Diseases, InbornMuscular Dystrophy, OculopharyngealHaplotypesRNA-Binding ProteinsDNA PrimersHeterozygoteNuclear ProteinsChromosome SegregationChromosomes, BacterialGenome, HumanGene FrequencyChromosomes, PlantChromosomes, Human, Pair 6Chromosome DeletionChromosomes, Human, YChromosomes, Human, Pair 7Genetics, PopulationChromosomes, Human, Pair 11Amyotrophic Lateral SclerosisChromosomes, Human, Pair 17Recombination, GeneticChromosomes, MammalianEvolution, MolecularNeurodegenerative DiseasesAmino Acid SequenceProteinsChromosomes, Artificial, BacterialPeptidesDNA RepairChromosomes, Human, Pair 21DNA ReplicationChromosomes, FungalChromosomes, Human, Pair 13Genes, DominantChromosomes, Human, Pair 2DNA, PlantTranscription, GeneticChromosomes, Human, 6-12 and XExonsDNA-Binding ProteinsSaccharomyces cerevisiaeChromosomes, Human, Pair 10Chromosomes, Human, Pair 16Mice, TransgenicChromosomes, Human, Pair 22