Where do genes come from? - Carl Zimmer | TED-Ed - 0 views
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Lottie Peppers on 24 Sep 144:30 video When life emerged on Earth about 4 billion years ago, the earliest microbes had a set of basic genes that succeeded in keeping them alive. In the age of humans and other large organisms, there are a lot more genes to go around. Where did all of those new genes come from? Carl Zimmer examines the mutation and multiplication of genes.