Downs Syndrome
Downs Syndrome
Downs Syndrome or Trisomy 21 is due to a genetic chromosome abnormality which is handed on from parent to child. It is the most common mental retardation syndrome associated with malformation in humans.
The pattern of physical features is characteristic. In addition to the easily recognised features, congenital heart defects occur and also gastrointestinal malformations. In childhood an early death may occur and this is often due to infection, especially pneumonia. Read more of this article »