Carriers of this alteration have Down syndrome (DS), a condition that results in cognitive disability, alterations in craniofacial morphology, increased risk of congenital heart defects, immune ...

[1] Figure 1. Defect in the septum separating the right and left ventricles is one of the most common cardiac anomalies associated with trisomy 21. Ultrasound image reproduced with permission from ...

Trisomy 21, also known as Down syndrome, is a genetic condition that occurs when a person has an extra copy of chromosome 21. According to the American Heart Association's 2018 scientific ...