Syndrome de Down
| Syndrome de Down |
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| instantia de: Dishabilitate, class of disease[*] |
| subclasse de: chromosomal disease[*], trisomy[*], total autosomal trisomy[*], particular disease[*] |
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| Commons: Down syndrome |
Le syndrome de Down, etiam nominate trisomia 21, es un syndrome causate per le presentia de un copia extra del chromosoma 21.
Illo es typicamente associate con tractos characteristic de facie e un grado variable de incapacitate intellectual.
Typicamente le parentes de un individuo affectate es geneticamente normal.