The Gene

The Gene Explained | The Gene That Transformed

Special | 3m 9s  | Video has closed captioning.

What terrifying things go on in a chrysalis, and what dark role do genes play? In this episode, learn how a hormone wakes up a gene that triggers the transformation of a caterpillar into a butterfly -- from forming a chrysalis to liquefying the caterpillar to fuel the imaginal discs that form a butterfly.

Aired: 04/23/21

Rating: TV-PG


Problems Playing Video? | Closed Captioning

Funding for KEN BURNS PRESENTS THE GENE: AN INTIMATE HISTORY has been provided by Genentech, 23andMe, Cancer Treatment Centers of America, Alfred P. Sloan Foundation, Gray Foundation, American Society of …

The Gene.

Explore Free Resources
The Gene Explained

Animated Series

The Gene Explained

What the heck is a gene, anyway? This animated series won’t get you a PhD, but it does clear up a few mysteries about how genes work and what they might look like in the future. (Microscope not required.)

Watch Now