The Genes We Lost Along the Way
Season 3 Episode 36 | 6m 53s | Video has closed captioning.
Our DNA holds thousands of dead genes and we’ve only just begun to unravel their stories. But one thing is already clear: we’re not just defined by the genes that we’ve gained over the course of our evolution, but also by the genes that we’ve lost along the way.
Problems Playing Video? | Closed Captioning