Here are a couple of articles to get you thinking about whether and to what extent our lives are determined by our genes:

http://www.washingtonpost.com/wp-srv/national/longterm/twins/twins2.htm

https://www.theguardian.com/science/occams-corner/2014/apr/25/epigenetics-beginners-guide-to-everything

http://discovermagazine.com/2013/may/13-grandmas-experiences-leave-epigenetic-mark-on-your-genes

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