epigenetics
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Ditch The Binary Model: Sexual Orientation Is More Like Height, With Many Variations

Research on the biological origins of human sexual orientation remains controversial (and poorly funded), and more than two decades of slow work is starting to reveal a much more complex process than anyone first suspected.


This Video Is The Best Explanation Yet Of How Genomes Really Work

There are 20,000 genes in the human genome, but only a small fraction of them are active in any given cell. This video from Nature explains with beautiful clarity the system that activity, turning genes on and off. It’s called the epigenome, and it’s incredibly important. Now you can understand how it works too.


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