Angelman SyndromeUniparental DisomyPrader-Willi SyndromeChromosomes, Human, Pair 15Genomic ImprintingsnRNP Core ProteinsSyndromeUbiquitin-Protein LigasesBloom SyndromeBeckwith-Wiedemann SyndromeWerner SyndromeRecQ HelicasesAbnormalities, MultipleRibonucleoproteins, Small NuclearLaughterPedigreeChromosome DeletionChromosome MappingFathersPhenotypeIntellectual DisabilityChromosome InversionDNA MethylationIn Situ Hybridization, FluorescenceMutationMicrocephalyChromosome AberrationsMicrosatellite RepeatsKaryotypingMosaicismBardet-Biedl SyndromeChromosome BandingGenetic MarkersChromosome BreakageDwarfismMicrotubule ProteinsAtaxiaAutoantigensDNA HelicasesHomozygoteBase SequenceMolecular Sequence DataKallmann SyndromeGenetic CounselingMandibulofacial DysostosisAllelesMethyl-CpG-Binding Protein 2Sequence DeletionBivalviaGenotypeBlotting, SouthernSmith-Lemli-Opitz SyndromePeutz-Jeghers SyndromePolymerase Chain Reaction