Common Genetic Syndromes Top 20 Syndromes Chromosome microdeletions Angelman SyndromeDiGeorge\VCF (22q deletion)Prader-Willi SyndromeWilliams Syndrome Chromosome aneuploides Down SyndromeKlinefelter Syndrome (XXY)Trisomy 18 and Trisomy 13Turner Syndrome (45,X) Single gene conditions and other disorders Ehlers-Danlos SyndromeFragile X SyndromeMarfan SyndromeNeurofibromatosis type 1Noonan SyndromeOsteogenesis Imperfecta Phenylketonuria (PKU)Rett SyndromeSmith-Lemli-Opitz SyndromeTuberous Sclerosis Fetal Alcohol SyndromeRussell-Silver Syndrome