What is epigenetics? – Carlos Guerrero-Bosagna
View full lesson: http://ed.ted.com/lessons/how-the-choices-you-make-can-affect-your-genes-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.



![Private: [ID: GvO805LinQY] Youtube Automatic](https://myaiu.tv/wp-content/uploads/2026/04/private-id-gvo805linqy-youtube-a-236x133.jpg)
![Private: [ID: II5M_sdHJzM] Youtube Automatic](https://myaiu.tv/wp-content/uploads/2026/04/private-id-ii5msdhjzm-youtube-au-236x133.jpg)
![Private: [ID: xMbpo6vIZuQ] Youtube Automatic](https://myaiu.tv/wp-content/uploads/2026/04/private-id-xmbpo6vizuq-youtube-a-236x133.jpg)
![Private: [ID: QLUJGW-Sq10] Youtube Automatic](https://myaiu.tv/wp-content/uploads/2026/04/private-id-qlujgw-sq10-youtube-a-236x133.jpg)
![[ID: PpfoIBW_DGI] Youtube Automatic](https://myaiu.tv/wp-content/uploads/2026/04/id-ppfoibwdgi-youtube-automatic-236x133.jpg)
![[ID: mupQnS3G4Io] Youtube Automatic](https://myaiu.tv/wp-content/uploads/2026/04/id-mupqns3g4io-youtube-automatic-236x133.jpg)