<a href="https://en.wikipedia.org/wiki/Karyotype" class="extiw" title="en:Karyotype">Karyotype</a> of a human male. <a href="https://en.wikipedia.org/wiki/G_banding" class="extiw" title="en:G banding">G banding</a>. Vertically aligned at <a href="https://en.wikipedia.org/wiki/Centromere" class="extiw" title="en:Centromere">centromere</a> level.
Courtesy: National Human Genome Research Institute
Modified from <a rel="nofollow" class="external text" href="http://www.genome.gov/Pages/Hyperion/DIR/VIP/Glossary/Illustration/Pdf/trisomy.pdf">Human Genome Project</a><br>From en: with same file name, contributor: <a href="https://en.wikipedia.org/wiki/User:TedE" class="extiw" title="en:User:TedE">en:User:TedE</a>