Trinucleotide Repeat ExpansionTrinucleotide RepeatsFriedreich AtaxiaDNA Repeat ExpansionSpinocerebellar DegenerationsMyotonic DystrophyFragile X SyndromeHuntington DiseaseFragile X Mental Retardation ProteinBrassicaAllelesIron-Binding ProteinsBase SequenceMolecular Sequence DataPolymorphism, GeneticMicrosatellite RepeatsMutationRepetitive Sequences, Nucleic AcidGenetic MarkersSpinocerebellar AtaxiasMachado-Joseph DiseaseGenetic LociPedigreeHeredodegenerative Disorders, Nervous SystemDNAChromosome MappingMinisatellite RepeatsGenetic VariationPolymerase Chain ReactionGenetic LinkageNerve Tissue ProteinsGene FrequencyGenotypeGenomic InstabilityFrontotemporal DementiaFlap EndonucleasesAnticipation, GeneticSequence Analysis, DNANucleic Acid ConformationInverted Repeat SequencesHeterozygoteTandem Repeat SequencesAge of OnsetCerebellar AtaxiaPhenotypeModels, GeneticIntranuclear Inclusion BodiesDNA PrimersChromosome FragilityMuscular Dystrophy, OculopharyngealGenetic Diseases, InbornRNA-Binding ProteinsPolymorphism, Restriction Fragment LengthHaplotypesAmyotrophic Lateral SclerosisGenetics, PopulationDNA, PlantNuclear ProteinsNeurodegenerative DiseasesAmplified Fragment Length Polymorphism AnalysisElectrophoresis, Starch GelEndangered SpeciesX ChromosomeProteinsPeptidesDNA RepairRecombination, GeneticMice, TransgenicReceptors, AndrogenGenes, DominantPhylogenyGenome, HumanHydrocharitaceaeChromosomes, Human, 1-3Transcription, GeneticRandom Amplified Polymorphic DNA TechniqueDNA ReplicationExonsMyoclonic Epilepsies, ProgressiveAmino Acid SequenceSaccharomyces cerevisiaeDNA-Binding ProteinsPolymorphism, Single NucleotideMutS Homolog 2 ProteinSpecies SpecificityRNA, MessengerRepetitive Sequences, Amino AcidNucleic Acid HeteroduplexesEvolution, MolecularDisease Models, AnimalPaternityGenetic Predisposition to DiseaseLinkage Disequilibrium