Trinucleotide Repeat ExpansionTrinucleotide RepeatsFriedreich AtaxiaDNA Repeat ExpansionSpinocerebellar DegenerationsMyotonic DystrophyFragile X SyndromeAllelesHuntington DiseaseFragile X Mental Retardation ProteinBrassicaIron-Binding ProteinsBase SequenceMolecular Sequence DataMutationRepetitive Sequences, Nucleic AcidSpinocerebellar AtaxiasMachado-Joseph DiseaseHeredodegenerative Disorders, Nervous SystemMicrosatellite RepeatsNerve Tissue ProteinsGenomic InstabilityDNAPedigreeFrontotemporal DementiaFlap EndonucleasesAnticipation, GeneticMinisatellite RepeatsPolymorphism, GeneticNucleic Acid ConformationTandem Repeat SequencesInverted Repeat SequencesPolymerase Chain ReactionAge of OnsetCerebellar AtaxiaIntranuclear Inclusion BodiesChromosome FragilityGenotypePhenotypeGenetic Diseases, InbornGenetic LociMuscular Dystrophy, OculopharyngealRNA-Binding ProteinsModels, GeneticChromosome MappingGene FrequencyAmyotrophic Lateral SclerosisSequence Analysis, DNANuclear ProteinsGenetic MarkersNeurodegenerative DiseasesProteinsHeterozygoteGenetic VariationPeptidesDNA RepairDNA PrimersGenes, DominantMice, TransgenicGenetic LinkageReceptors, AndrogenGenome, HumanAmino Acid SequenceExonsTranscription, GeneticHaplotypesSaccharomyces cerevisiaeDNA ReplicationDNA-Binding ProteinsRNA, MessengerRecombination, GeneticMyoclonic Epilepsies, ProgressiveMutS Homolog 2 ProteinDNA Mutational AnalysisRepetitive Sequences, Amino AcidGenetic Predisposition to DiseaseNucleic Acid HeteroduplexesDisease Models, AnimalQuantitative Trait LociSaccharomyces cerevisiae ProteinsChromosomes, Human, XDinucleotide RepeatsDNA, Satellite