Trinucleotide Repeat ExpansionTrinucleotide RepeatsFragile X SyndromeFragile X Mental Retardation ProteinFriedreich AtaxiaDNA Repeat ExpansionSpinocerebellar DegenerationsMyotonic DystrophyHuntington DiseaseIron-Binding ProteinsAllelesAtaxiaMutationChromosomesChromosome MappingRepetitive Sequences, Nucleic AcidTremorBase SequenceSpinocerebellar AtaxiasMachado-Joseph DiseaseMolecular Sequence DataNerve Tissue ProteinsPedigreeX ChromosomeIntranuclear Inclusion BodiesHeterozygoteHeredodegenerative Disorders, Nervous SystemMicrosatellite RepeatsDNAPrimary Ovarian InsufficiencyGenomic InstabilityFrontotemporal DementiaFlap EndonucleasesChromosome BandingAnticipation, GeneticRNA-Binding ProteinsNucleic Acid ConformationAge of OnsetChromosome FragilityTandem Repeat SequencesPolymerase Chain ReactionChromosomes, Human, XInverted Repeat SequencesMinisatellite RepeatsPhenotypeChromosome AberrationsChromosomes, Human, Pair 9Cerebellar AtaxiaSex ChromosomesChromosomes, Human, Pair 1Muscular Dystrophy, OculopharyngealGenetic Diseases, InbornPolymorphism, GeneticChromosomes, HumanGenetic MarkersModels, GeneticNuclear ProteinsChromosomes, BacterialChromosome SegregationChromosomes, Human, Pair 7GenotypeAmyotrophic Lateral SclerosisSequence Analysis, DNAChromosomes, Human, Pair 11Genetic LinkageChromosomes, Human, Pair 17Chromosome DeletionNeurodegenerative DiseasesChromosomes, Human, Pair 6Chromosomes, PlantProteinsGenetic TestingGene Knock-In TechniquesChromosomes, Human, Pair 21Chromosomes, FungalMice, TransgenicRNA, MessengerPeptidesChromosomes, Human, 6-12 and XDNA ReplicationDNA RepairGenome, HumanTranscription, GeneticRecombination, GeneticGenes, DominantDNA PrimersChromosomes, Human, Pair 2Chromosomes, Human, Pair 16MosaicismReceptors, AndrogenChromosomes, Human, Pair 22Amino Acid SequenceChromosomes, MammalianGene FrequencyChromosomes, Human, YChromosomes, Human, Pair 13Chromosomes, Human, Pair 4Chromosome PairingDNA-Binding ProteinsSaccharomyces cerevisiae