TABLE 2

Genetic Abnormalities Associated With CHD

Common, Presently Known Chromosome AbnormalitiesSelect Presently Known Single Gene Defects
Cri-du-chat syndromeEhlers-Danlos syndrome
DiGeorge syndrome (22q11)Ellis-van Creveld syndrome
Down syndrome (trisomy 21)Holt-Oram syndrome
Trisomy 18 and trisomy 13Marfan syndrome
Turner syndromeMucopolysaccharidoses
Wolf-Hirschhorn syndromeNoonan syndrome
Smith-Lemli-Opitz syndrome
Williams syndrome