Angelman SyndromePrader-Willi SyndromeChromosomes, Human, Pair 15snRNP Core ProteinsGenomic ImprintingSyndromeUbiquitin-Protein LigasesBloom SyndromeGene DeletionChromosome DeletionWerner SyndromeUniparental DisomySequence DeletionRecQ HelicasesLaughterRibonucleoproteins, Small NuclearBeckwith-Wiedemann SyndromeAbnormalities, MultipleChromosome MappingPedigreeMutationPhenotypeIntellectual DisabilityMicrocephalyChromosome InversionIn Situ Hybridization, FluorescenceMolecular Sequence DataDNA MethylationBase SequenceBardet-Biedl SyndromeChromosome BreakageMicrotubule ProteinsAtaxiaDNA HelicasesChromosome BandingKallmann SyndromeGenetic CounselingMandibulofacial DysostosisAutoantigensMicrosatellite RepeatsGenetic MarkersMethyl-CpG-Binding Protein 2FathersPolymerase Chain ReactionSmith-Lemli-Opitz SyndromePeutz-Jeghers SyndromeDisease Models, AnimalAlleles