Keywords: 21 trisomy - Down syndrome.png en Karyotype of 21 trisomy Down syndrome fr Caryotype d'un garçon atteint de trisomie 21 syndrome de Down ja ウン症の人のカリオタイプ pl Kariotyp trisomii 21 zespołu Downa http //www ornl gov/sci/techresources/Human_Genome/graphics/slides/elsikaryotype shtml 2006-10-05 U S Department of Energy Human Genome Program Public Domain - U S Government Details are available at http //www ornl gov/sci/techresources/Human_Genome/graphics/slides/download shtml PD-USGov Karyotypes Human chromosomes Down syndrome Human chromosome 21 |