• Michelle Marchante

It’s in our DNA: social circles ‘genetically similar’

Updated: Jun 22, 2018

This column was published in FIU Student Media's The Beacon.

Michelle Marchante / Staff Writer

How boring would life be if friends didn’t exist?

They’re like your unofficial family who happen to share your exact same interests and even if they don’t, it doesn’t matter because for some strange reason you just click.

It’s almost automatic how you become friends with certain people – like it’s just natural to be friends with them, but haven’t you ever wondered why? Well it turns out, it’s not just experiences and laugh worthy moments that you share with them but also DNA.

According to a new study that was published in Proceedings of the National Academy of Science by Nicholas Christakis of Yale University and James Fowler of the University of California, San Diego during July 2014, friends are often genetically similar and can share as much as one percent of the same gene variants. Genetically speaking, this means that our friends share as much DNA strands with us as our fourth cousins do.

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