Karyotype of a woman with Down's Syndrome (trisomy 21), showing an additional twenty-first chromosome. A normal set of chromosomes contains only two of each chromosome. | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Schroeder, Monica |
Bildgröße: | 3419 px × 2656 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |