What is epigenetics? – Carlos Guerrero-Bosagna

Here’s a conundrum: Identical twins originate from the same DNA … so how can they turn out so different — even in traits that have a significant genetic component? Carlos Guerrero-Bosagna explains that while nature versus nurture has a lot to do with it, a deeper, related answer can be found within something called epigenetics.

Lesson by Carlos Guerrero-Bosagna, animation by Chris Bishop.