DNA Repeat ExpansionFrontotemporal DementiaAmyotrophic Lateral SclerosisTrinucleotide Repeat ExpansionFrontotemporal Lobar DegenerationRepetitive Sequences, Nucleic AcidTrinucleotide RepeatsProteinsAge of OnsetBase SequenceChromosomes, Human, Pair 9Tandem Repeat SequencesMolecular Sequence DataPedigreeDNAMyotonic DystrophyNucleic Acid ConformationFriedreich AtaxiaDNA-Binding ProteinsTelomereMutationSpinocerebellar DegenerationsMicrosatellite RepeatsFragile X SyndromeSpinocerebellar AtaxiasHuntington DiseaseMinisatellite RepeatsPolymerase Chain ReactionFragile X Mental Retardation ProteinAmino Acid SequenceCell LinePlasmidsTranscription, GeneticPoly ARepetitive Sequences, Amino AcidInverted Repeat SequencesDNA, ViralRNA, ViralAllelesOligonucleotidesCloning, MolecularRNA, MessengerRahnellaBinding SitesRecombination, GeneticOligodeoxyribonucleotides