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Sex determination: More complicated than you thought - Aaron Reedy

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TEDEd Animation

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From something as small and complex as a chromosome to something as seemingly simple as the weather, sex determination systems vary significantly across the animal kingdom. Biologist and teacher Aaron Reedy shows us the amazing differences between species when it comes to determination of gender.

In the movie Finding Nemo, Nemo and his dad, Marlin, are clownfish. If the writers of Finding Nemo had made the movie more scientifically accurate, what would have most likely happened when Nemo’s mom was eaten by a barracuda?

About TED-Ed Animations

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 Aaron Reedy
  • Animator Buzzco Associates, Inc.
  • Narrator Aaron Reedy

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