Summary:
Down Syndrome refers to a group of genetic diseases (children born abnormal
because their genetic code is wrong somewhere), first described by John Langdon
Down. There is a defect in the 21st pair of chromosomes, due to which the
children born have a characteristic skeletal structure that makes them resemble
persons native to Mongolia, and being mentally challenged to a variable degree,
high incidence of congenital heart disease, and risk of many infections and
cancers. (We must never refer to the
disorder as Mongolism). Last updated
December 15, 2009
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