Hi-res online download not available. Delivery in 24 hours.
Title: Down Syndrome Human Karyotype
Caption: Down syndrome human karyotype 47, XY, +21. This male has a full chromosome complement plus an extra chromosome 21.
Category: medical
Credit: Album / Science Source / Wessex Reg. Genetics Centre/Wellcome Images
Image size: 2100 × 2055 px | 12.3 MB
Print size: 17.8 × 17.4 cm | 826.8 × 809.1 in (300 dpi)