Article
Trisomy 21: from chromosomes to mental retardation.
Behavior genetics - 1 May 2006
Roubertoux Pierre L, Kerdelhué Bernard
Abstract excerpt
The first descriptions of the trisomy 21 phenotype were by Jean-Etienne-Dominique Esquirol (1838), Edouard Séguin (1846) and later by John L. H. Down in 1862. It took more than a century to discover the extra-chromosomal origin of the syndrome commonly called "Down's syndrome" and which, we suggest, should be referred to as "Trisomy 21". In this review we are presenting the landmarks, from the pioneering...
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