DNA Repeat ExpansionFrontotemporal DementiaAmyotrophic Lateral SclerosisTrinucleotide Repeat ExpansionRepetitive Sequences, Nucleic AcidFrontotemporal Lobar DegenerationTrinucleotide RepeatsProteinsBase SequenceAge of OnsetChromosomes, Human, Pair 9Molecular Sequence DataDNATandem Repeat SequencesPedigreeNucleic Acid ConformationMyotonic DystrophyFriedreich AtaxiaTelomereDNA-Binding ProteinsMutationMicrosatellite RepeatsSpinocerebellar DegenerationsSpinocerebellar AtaxiasFragile X SyndromeHuntington DiseasePolymerase Chain ReactionMinisatellite RepeatsBase CompositionAmino Acid SequenceFragile X Mental Retardation ProteinTranscription, GeneticCloning, MolecularPoly AOligodeoxyribonucleotidesBase PairingRepetitive Sequences, Amino AcidOligonucleotidesInverted Repeat SequencesPlasmidsPromoter Regions, GeneticDNA Restriction EnzymesRNA, MessengerBinding SitesAllelesRestriction MappingRahnellaGenesRNA