ep·i·ge·net·ics
epəjəˈnediks/
noun BIOLOGY
definition the study of changes in organisms caused by modification of gene expression rather than alteration of the genetic code itself.

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. Find out what it is all about here: What is epigenetics?

Source: TedEd

Educator Carlos Guerrero-Bosagna
Script Editor Eleanor Nelsen
Director Chris Bishop
Animator Chris Bishop

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