Trinucleotide Repeat ExpansionTrinucleotide RepeatsFriedreich AtaxiaDNA Repeat ExpansionSpinocerebellar DegenerationsMyotonic DystrophyFragile X SyndromeRecombination, GeneticHuntington DiseaseFragile X Mental Retardation ProteinMicrosatellite RepeatsIron-Binding ProteinsAllelesGenomic InstabilityMutationRepetitive Sequences, Nucleic AcidBase SequenceMolecular Sequence DataTandem Repeat SequencesSpinocerebellar AtaxiasMachado-Joseph DiseaseDNAGenetic MarkersHeredodegenerative Disorders, Nervous SystemPolymorphism, GeneticPolymerase Chain ReactionMinisatellite RepeatsGenetic VariationDinucleotide RepeatsModels, GeneticNerve Tissue ProteinsPedigreeDNA RepairNucleic Acid ConformationFlap EndonucleasesSequence Analysis, DNADNA, SatelliteAnticipation, GeneticFrontotemporal DementiaInverted Repeat SequencesChromosomal InstabilityChromosome MappingGenotypeChromosome FragilityAge of OnsetCerebellar AtaxiaPhenotypeDNA PrimersHomologous RecombinationNuclear ProteinsJoint InstabilityGenetic Diseases, InbornIntranuclear Inclusion BodiesDNA-Binding ProteinsMuscular Dystrophy, OculopharyngealRNA-Binding ProteinsGenetic LinkageHaplotypesEvolution, MolecularHeterozygoteGenetics, PopulationDNA ReplicationSaccharomyces cerevisiaeGene FrequencyGenome, HumanAmino Acid SequenceAmyotrophic Lateral SclerosisPhylogenyMutS Homolog 2 ProteinProteinsNeurodegenerative DiseasesPeptidesMice, TransgenicCrossing Over, GeneticSaccharomyces cerevisiae ProteinsTranscription, GeneticMicrosatellite InstabilityRad52 DNA Repair and Recombination ProteinDNA, FungalNucleic Acid HeteroduplexesDNA, PlantExonsGenes, DominantCell LineReceptors, AndrogenV(D)J RecombinationMeiosisSequence DeletionDNA Mutational AnalysisGenetic LociRNA, MessengerX ChromosomeDNA DamageRepetitive Sequences, Amino AcidSpecies SpecificityEndodeoxyribonucleasesChromosomes, Human, XPlasmidsExpressed Sequence TagsBlotting, Southern