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 AtaxiasMachado-Joseph DiseaseGenetic MarkersX ChromosomeHeredodegenerative Disorders, Nervous SystemDNAPedigreePolymorphism, GeneticGenomic InstabilityNerve Tissue ProteinsDinucleotide RepeatsPolymerase Chain ReactionMinisatellite RepeatsTandem Repeat SequencesFrontotemporal DementiaGenetic VariationFlap EndonucleasesChromosome BandingDNA, SatelliteAnticipation, GeneticNucleic Acid ConformationSequence Analysis, DNAChromosome FragilityInverted Repeat SequencesGenetic LinkageChromosomes, Human, Pair 9GenotypeSex ChromosomesModels, GeneticChromosome AberrationsChromosomes, Human, XAge of OnsetCerebellar AtaxiaChromosomes, Human, Pair 1PhenotypeChromosomes, HumanIntranuclear Inclusion BodiesGenetic Diseases, InbornMuscular Dystrophy, OculopharyngealRNA-Binding ProteinsHaplotypesDNA PrimersHeterozygoteChromosome SegregationNuclear ProteinsChromosomes, BacterialGenome, HumanGene FrequencyChromosomes, Human, Pair 6Chromosomes, PlantChromosome DeletionChromosomes, Human, Pair 7Genetics, PopulationChromosomes, Human, Pair 11Amyotrophic Lateral SclerosisChromosomes, Human, YChromosomes, Human, Pair 17Recombination, GeneticChromosomes, MammalianNeurodegenerative DiseasesChromosomes, Artificial, BacterialProteinsEvolution, MolecularDNA RepairChromosomes, Human, Pair 21Chromosomes, FungalDNA ReplicationPeptidesGenes, DominantChromosomes, Human, Pair 13Chromosomes, Human, Pair 2Amino Acid SequenceChromosomes, Human, 6-12 and XDNA, PlantChromosomes, Human, Pair 10Transcription, GeneticSaccharomyces cerevisiaeExonsDNA-Binding ProteinsChromosomes, Human, Pair 16Mice, TransgenicReceptors, Androgen