Angelman SyndromePrader-Willi SyndromeChromosomes, Human, Pair 15snRNP Core ProteinsGenomic ImprintingSyndromeUbiquitin-Protein LigasesBloom SyndromeWerner SyndromeUniparental DisomyRecQ HelicasesLaughterRibonucleoproteins, Small NuclearBeckwith-Wiedemann SyndromeChromosome MappingAbnormalities, MultipleChromosome DeletionPedigreePhenotypeIntellectual DisabilityMicrocephalyChromosome InversionMutationDNA MethylationIn Situ Hybridization, FluorescenceMolecular Sequence DataBase SequenceBardet-Biedl SyndromeChromosome BreakageMicrotubule ProteinsAtaxiaDNA HelicasesChromosome BandingKallmann SyndromeGenetic CounselingMicrosatellite RepeatsGenetic MarkersSequence DeletionMandibulofacial DysostosisAutoantigensMethyl-CpG-Binding Protein 2FathersPolymerase Chain ReactionChromosome AberrationsSmith-Lemli-Opitz SyndromePeutz-Jeghers Syndrome