BrachydactylyIntellectual DisabilityMental Retardation, X-LinkedSyndromeAbnormalities, MultipleHand Deformities, CongenitalFragile X Mental Retardation ProteinFragile X SyndromeHemoglobin HClassical Lissencephalies and Subcortical Band Heterotopiasalpha-ThalassemiaFoot Deformities, CongenitalPedigreeLimb Deformities, CongenitalX ChromosomeGenetic LinkageMuscle HypotoniaReceptor Tyrosine Kinase-like Orphan ReceptorsDNA HelicasesMutationToe PhalangesGrowth Differentiation Factor 5Fibrous Dysplasia, PolyostoticMolecular Sequence DataSynostosisMaxillofacial AbnormalitiesThalassemiaChromosome MappingPseudohypoparathyroidismFoot BonesChromosomes, Human, Pair 2MicrocephalyPhenotypeFootChromosomes, Human, Pair 12Genes, DominantBone Morphogenetic Protein Receptors, Type IDown SyndromeNuclear ProteinsSex Chromosome AberrationsFetal Growth RetardationChromosomes, Human, XFaciesDNA Mutational AnalysisHandGrowth DisordersMetabolic Syndrome XBase SequenceConsanguinityChromosome DeletionAtaxiaDevelopmental DisabilitiesBone Morphogenetic ProteinsKaryotypingMethyl-CpG-Binding Protein 2Craniofacial AbnormalitiesGenes, RecessiveIn Situ Hybridization, FluorescenceAmino Acid SequenceEducation of Intellectually DisabledChromosome DisordersSpasms, Infantile