HaploinsufficiencyHaploidyHeterozygotePhenotypeMutationAbnormalities, MultipleWilliams SyndromeSyndromeChromosome DeletionGene DeletionAortic Stenosis, SupravalvularIntellectual DisabilitySmith-Magenis SyndromeMice, KnockoutMice, Mutant StrainsMice, Inbred C57BLHaplotypesGene DosagePedigreeCraniofacial AbnormalitiesCodon, NonsenseFrameshift MutationEhlers-Danlos SyndromeHomeodomain ProteinsTranscription FactorsGenes, Neurofibromatosis 1AllelesFaciesHemizygoteDisease Models, AnimalMandibulofacial DysostosisAlagille SyndromeGenes, DominantDiGeorge SyndromeAcrocephalosyndactyliaMice, TransgenicChromosomes, Human, Pair 5MicrocephalyDNA Mutational AnalysisLoss of HeterozygosityMolecular Sequence DataChromosomes, Human, Pair 22Base SequenceAnemia, MacrocyticComparative Genomic HybridizationMutation, MissenseMonosomyAnemia, Diamond-BlackfanCleidocranial DysplasiaLimb Deformities, Congenital22q11 Deletion SyndromeNeurofibromin 1Twist Transcription FactorDNA-Binding ProteinsNervous System MalformationsPaired Box Transcription FactorsGenotypeChromosome BreakagePAX9 Transcription FactorIn Situ Hybridization, FluorescenceNeurofibromatosis 1Gene Expression Regulation, DevelopmentalCollagen Type VT-Box Domain ProteinsSequence DeletionCodon, TerminatorChromosomes, Human, Pair 7Cranial SuturesWolf-Hirschhorn SyndromeCri-du-Chat SyndromeTurner SyndromeNuclear ProteinsHand Deformities, CongenitalCarney ComplexSkin AbnormalitiesTelangiectasia, Hereditary HemorrhagicAnticipation, GeneticNail-Patella SyndromeEye AbnormalitiesPenetranceCyclic AMP-Dependent Protein Kinase RIalpha SubunitEye ProteinsSignal TransductionEmbryo, MammalianElastinHomozygoteDyskeratosis CongenitaEmbryo LossNonsense Mediated mRNA DecayMice, 129 StrainRNA, MessengerWaardenburg SyndromeSynostosisMusculoskeletal AbnormalitiesGigantismGene TargetingTranslocation, GeneticKeratoderma, PalmoplantarAgenesis of Corpus CallosumAniridia