Trinucleotide Repeat ExpansionTrinucleotide RepeatsFriedreich AtaxiaDNA Repeat ExpansionSpinocerebellar DegenerationsMyotonic DystrophyFragile X SyndromeHuntington DiseaseFragile X Mental Retardation ProteinMicrosatellite RepeatsIron-Binding ProteinsAllelesChromosome MappingChromosomesMutationRepetitive Sequences, Nucleic AcidBase SequenceGenomeMolecular Sequence DataSpinocerebellar AtaxiasGenetic MarkersMachado-Joseph DiseaseX ChromosomeDNAGenome, HumanSequence Analysis, DNAHeredodegenerative Disorders, Nervous SystemGenomic InstabilityPolymorphism, GeneticPedigreeGenome, BacterialPolymerase Chain ReactionNerve Tissue ProteinsGenetic VariationDinucleotide RepeatsMinisatellite RepeatsTandem Repeat SequencesDNA, SatelliteFrontotemporal DementiaNucleic Acid ConformationFlap EndonucleasesChromosome BandingAnticipation, GeneticGenetic LinkageGenome, ViralModels, GeneticGenome, PlantInverted Repeat SequencesChromosome FragilityGenotypeChromosomes, Human, Pair 9Sex ChromosomesPhenotypeChromosome AberrationsChromosomes, Human, XChromosomes, HumanAge of OnsetChromosomes, Human, Pair 1Cerebellar AtaxiaEvolution, MolecularGenetic Diseases, InbornIntranuclear Inclusion BodiesDNA PrimersHaplotypesMuscular Dystrophy, OculopharyngealRNA-Binding ProteinsChromosomes, BacterialChromosomes, PlantRecombination, GeneticHeterozygotePhylogenyChromosome SegregationNuclear ProteinsChromosomes, Artificial, BacterialGene FrequencyChromosomes, Human, Pair 6Genetics, PopulationChromosome DeletionChromosomes, Human, Pair 7Chromosomes, MammalianChromosomes, Human, Pair 11Chromosomes, Human, YChromosomes, Human, Pair 17Amino Acid SequenceAmyotrophic Lateral SclerosisDNA ReplicationDNA, PlantDNA RepairNeurodegenerative DiseasesProteinsChromosomes, FungalTranscription, GeneticChromosomes, Human, Pair 21Chromosomes, Human, Pair 2PeptidesChromosomes, Human, Pair 13Genes, DominantSaccharomyces cerevisiaeExpressed Sequence TagsGenome, Fungal