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Where do genes come from? - Carl Zimmer

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TEDEd Animation

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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.

How did snake venom evolve? Put the following statements from the video in the correct sequence. Write your response in paragraph form in complete sentences. a. The protein started to be made in the mouth not in the pancreas b. Gene for killing bacteria duplicated, the new copy mutated c. Protein helped snake catch more prey and became favored d. Snake makes a protein to kill bacteria in pancreas e. The mutation changed signal in the gene about where it should make its protein

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TED-Ed Animations feature the words and ideas of educators brought to life by professional animators. Are you an educator or animator interested in creating a TED-Ed Animation? Nominate yourself here »

Meet The Creators

  • Educator Carl Zimmer
  • Director Hector Herrera
  • Producer Pazit Cahlon
  • Script Editor Michael Molina
  • Narrator Addison Anderson

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