Fragile X Mental Retardation ProteinFragile X SyndromeTrinucleotide Repeat ExpansionTrinucleotide RepeatsAtaxiaRNA-Binding ProteinsPrimary Ovarian InsufficiencyTremorNerve Tissue ProteinsIntellectual DisabilityReceptor, Metabotropic Glutamate 55' Untranslated RegionsAllelesHeterozygoteReceptors, Metabotropic GlutamateMutationMethoxyhydroxyphenylglycolMice, KnockoutEpilepsy, ReflexDNA MethylationIntranuclear Inclusion BodiesChromosomes, Human, XHeterozygote DetectionMenopause, PrematureMosaicismIntranuclear SpaceDisease Models, AnimalRNA, MessengerNervous System MalformationsDendritic SpinesMolecular Sequence DataPhenotypeBase SequenceX Chromosome InactivationCpG IslandsNuclear Respiratory Factor 1Protein BiosynthesisBlotting, SouthernMice, Inbred C57BLGenetic TestingDendritesPolymerase Chain ReactionPromoter Regions, GeneticAutistic DisorderSynapsesDosage Compensation, GeneticPedigreeHeterogeneous-Nuclear Ribonucleoprotein Group A-BDried Blood Spot TestingNeuronal PlasticityMitral Valve InsufficiencyX ChromosomeNeuronsCell Nucleus StructuresExonsNeocortexSequence DeletionIntelligence TestsGene Knock-In TechniquesNuclear Respiratory FactorsAnti-Mullerian HormoneGenotypeSomatosensory DisordersG-QuadruplexesDNAHippocampusLong-Term PotentiationUpstream Stimulatory FactorsExcitatory Postsynaptic PotentialsEndophenotypesOvarian DiseasesBehavior, AnimalDrosophila ProteinsParkinsonian DisordersHyperkinesisNuclear ProteinsBrainKlinefelter SyndromeCerebellar AtaxiaExploratory BehaviorChorionic Villi SamplingLithium CarbonateRepetitive Sequences, Nucleic AcidCell LineStartle ReactionDNA Mutational AnalysisEpigenesis, GeneticFibroblastsSulfitesGene SilencingBehavioral SymptomsGene Expression RegulationSequence Analysis, DNACritical Period (Psychology)Neonatal ScreeningAnisomycinExcitatory Amino Acid AntagonistsInfertility, FemaleDNA PrimersMotor Activity