Your DNA is made up of about 3.2 billion bases. Around 97 percent of that doesn't do anything—at least, we don't think it does.
What This Means
Smart Graphic
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Why It's Important
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Are Genes Really Selfish?
If genes only care about their survival, you'd think it would make all organisms greedy. In that case, how did altruism evolve?
Written by
Ashley Hamer
December 19, 2016
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