Angelman SyndromePrader-Willi SyndromeChromosomes, Human, Pair 15snRNP Core ProteinsGenomic ImprintingSyndromeUbiquitin-Protein LigasesBloom SyndromeWerner SyndromeUniparental DisomyRecQ HelicasesLaughterRibonucleoproteins, Small NuclearBeckwith-Wiedemann SyndromeAbnormalities, MultipleChromosome MappingChromosome DeletionPedigreeIntellectual DisabilityMicrocephalyChromosome InversionPhenotypeDNA MethylationBardet-Biedl SyndromeMutationIn Situ Hybridization, FluorescenceChromosome BreakageMicrotubule ProteinsAtaxiaDNA HelicasesKallmann SyndromeGenetic CounselingMandibulofacial DysostosisChromosome BandingAutoantigensMethyl-CpG-Binding Protein 2Sequence DeletionMicrosatellite RepeatsFathersGenetic MarkersMolecular Sequence DataSmith-Lemli-Opitz SyndromeBase SequencePeutz-Jeghers Syndrome