The biology of identity

diverge
Credit: Flickr/Richard Schwier

The following is an excerpt.

Are your talents, traits, and insecurities so deeply embedded in your genes that they’re basically inevitable? Or could things go rather differently with just a few tiny nudges? In other words, how much of your fate do you allot to your genes, versus your surroundings, versus chance?

In the absence of a time rewinder, the next best experiment is to do what Julia Freund and her colleagues did in a simple, yet remarkable recent study.  These investigators placed genetically identical individuals (mice in this case) in a common environment, and asked whether systematic behavioral differences could still develop between them.

Read the full story here: Where Does Identity Come From?

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