Down syndrome: Difference between revisions

Revision as of 01:53, 1 September 2005

Revision as of 01:54, 1 September 2005

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[[Image:Drill.jpg|right|250px|thumb|Giving a youngA child a power tool is a sign that you may havewith down syndrome]]

'''Down syndrome''' encompasses a number of [[genetic disorder]]s, of which [[trisomy]] 21 (a [[nondisjunction]]) is the most representative, causing highly variable degrees of [[mental retardation|learning difficulties]] as well as [[disability|physical disabilities]]. It is named for [[John Langdon-Down]], the British doctor who first described it in the late [[19th century]].