Trinucleotide Repeat ExpansionTrinucleotide RepeatsFriedreich AtaxiaDNA Repeat ExpansionSpinocerebellar DegenerationsMyotonic DystrophyFragile X SyndromeHuntington DiseaseFragile X Mental Retardation ProteinBrassicaIron-Binding ProteinsAllelesBase SequenceMolecular Sequence DataSpinocerebellar AtaxiasMutationRepetitive Sequences, Nucleic AcidMachado-Joseph DiseaseHeredodegenerative Disorders, Nervous SystemNerve Tissue ProteinsMicrosatellite RepeatsGenomic InstabilityAnticipation, GeneticFrontotemporal DementiaDNAFlap EndonucleasesPedigreeCerebellar AtaxiaMinisatellite RepeatsNucleic Acid ConformationInverted Repeat SequencesTandem Repeat SequencesAge of OnsetIntranuclear Inclusion BodiesChromosome FragilityPolymerase Chain ReactionMuscular Dystrophy, OculopharyngealGenetic Diseases, InbornRNA-Binding ProteinsPolymorphism, GeneticGenetic LociPhenotypeNuclear ProteinsAmyotrophic Lateral SclerosisNeurodegenerative DiseasesSequence Analysis, DNAModels, GeneticChromosome MappingPeptidesProteinsGenotypeGenetic MarkersDNA RepairMice, TransgenicGenes, DominantReceptors, AndrogenDNA PrimersGenome, HumanGenetic LinkageTranscription, GeneticGenetic VariationHeterozygoteGene FrequencyDNA ReplicationExonsAmino Acid SequenceMyoclonic Epilepsies, ProgressiveDNA-Binding ProteinsSaccharomyces cerevisiaeRNA, MessengerMutS Homolog 2 ProteinRepetitive Sequences, Amino AcidDisease Models, AnimalNucleic Acid HeteroduplexesRecombination, Genetic