MicrocephalyGenes, DominantPolycystic Kidney, Autosomal DominantPedigreeAbnormalities, MultipleSyndromeIntellectual DisabilityMutationGenetic LinkageConsanguinityGenes, RecessiveFaciesLod ScorePhenotypeDNA Mutational AnalysisTRPP Cation ChannelsRetinitis PigmentosaMutation, MissenseChromosome MappingOptic Atrophy, Autosomal DominantChromosome DisordersLissencephalyNijmegen Breakage SyndromeFoot Deformities, CongenitalChromosomes, Human, Pair 2Genetic HeterogeneityMolecular Sequence DataPrenatal DiagnosisHeterozygoteDwarfismFrameshift MutationMandibulofacial DysostosisChromosomes, Human, Pair 1SyndactylyHaplotypesInfant, NewbornGenetic MarkersMicrognathismExomePolycystic Kidney DiseasesNerve Tissue ProteinsCataractCADASILChromosomes, Human, Pair 16Delayed DiagnosisGrowth DisordersOptic AtrophyBase SequenceDevelopmental DisabilitiesCodon, NonsenseHomozygoteEarly DiagnosisMagnetic Resonance ImagingExonsAge of OnsetKaryotypingGenotypePhenylketonuria, MaternalAgenesis of Corpus CallosumChromosomes, Human, Pair 4Craniofacial AbnormalitiesPenetranceFamily HealthSpinocerebellar DegenerationsBrainSensitivity and SpecificityPolymerase Chain ReactionCerebellar AtaxiaMicrophthalmosDementia, Multi-InfarctPregnancyHaploinsufficiencyFamilyCystsChromosomes, Human, Pair 7Chromosome AberrationsChromosomes, Human, Pair 6CentrosomeFaceEye ProteinsChromosome DeletionChromosomes, Human, Pair 5Spastic Paraplegia, HereditaryHand Deformities, CongenitalSegmental Duplications, GenomicCri-du-Chat SyndromeSequence Analysis, DNARetrospective StudiesOlivopontocerebellar AtrophiesFetal DiseasesGenetic TestingHeadMicrosatellite RepeatsDiagnosisChromosome BreakageChromosomes, Human, Pair 19Facial BonesIn Situ Hybridization, FluorescenceSkullChromosomes, Human, 1-3