Trinucleotide Repeat ExpansionTrinucleotide RepeatsMicrosatellite RepeatsFriedreich AtaxiaDNA Repeat ExpansionPolymorphism, GeneticSpinocerebellar DegenerationsMyotonic DystrophyFragile X SyndromeAllelesHuntington DiseaseFragile X Mental Retardation ProteinDinucleotide RepeatsDNA, SatelliteIron-Binding ProteinsGene FrequencyBase SequenceGenotypePolymerase Chain ReactionHLA-B51 AntigenMutationGenetic MarkersHeme Oxygenase-1Molecular Sequence DataHaplotypesGenetic VariationRepetitive Sequences, Nucleic AcidGenetic Predisposition to DiseasePolymorphism, Single NucleotideSequence Analysis, DNASpinocerebellar AtaxiasChromosome MappingHeterozygoteGenetic LinkageMachado-Joseph DiseaseGenetics, PopulationMicrosatellite InstabilityHeredodegenerative Disorders, Nervous SystemGenomic InstabilityPedigreeDNANerve Tissue ProteinsCase-Control StudiesMinisatellite RepeatsFrontotemporal DementiaFlap EndonucleasesPromoter Regions, GeneticTandem Repeat SequencesAnticipation, GeneticNucleic Acid ConformationAge of OnsetInverted Repeat SequencesPolymorphism, Restriction Fragment LengthPhenotypeCerebellar AtaxiaChromosome FragilityIntranuclear Inclusion BodiesDNA PrimersGenetic Diseases, InbornMuscular Dystrophy, OculopharyngealRNA-Binding ProteinsNuclear ProteinsModels, GeneticDNA RepairMutS Homolog 2 ProteinAmyotrophic Lateral SclerosisNeurodegenerative DiseasesProteinsExonsGenome, HumanDNA Mutational AnalysisGenetic LociPeptidesReceptors, AndrogenGenes, DominantDNA-Binding ProteinsDNA, PlantMice, TransgenicGenetic TestingDNA ReplicationTranscription, GeneticAmino Acid SequenceLinkage DisequilibriumRNA, MessengerMyoclonic Epilepsies, ProgressiveChromosomes, Human, XRepetitive Sequences, Amino AcidChromosomes, Human, Pair 9Recombination, GeneticSaccharomyces cerevisiaeNucleic Acid HeteroduplexesPolymorphism, Single-Stranded ConformationalPhylogenyLoss of HeterozygosityDisease Models, AnimalSequence DeletionX ChromosomeEvolution, Molecular