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Sex determination: More complicated than you thought - Aaron Reedy

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Published on Apr 23, 2012

View full lesson: http://ed.ted.com/lessons/sex-determi...

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.

Lesson by Aaron Reedy, animation by BuzzCo.

  • Category

    Education

  • License

    Standard YouTube License

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Top Comments

  • MichelleOkineMusic

    MichelleOkineMusic 7 months ago

    Wait Nemo's mom died.... Only his dad was left.....

    CHILDHOOD. RUINED.

    · 159

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  • Alec McKinney

    Alec McKinney 3 months ago

    Nemo did have a mom after all then! :D

    · 21

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    in reply to MichelleOkineMusic (Show the comment)

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  • Heey Arnold

    Heey Arnold 1 day ago

    So, what about SNAILS & SLUGS?

    ·

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  • spore637

    spore637 2 days ago

    So... Nemo's Dad becomes a female and the one who takes up the spot is... crap I can't take this!

    ·

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    in reply to MichelleOkineMusic (Show the comment)
  • ShakespeareAvenue

    ShakespeareAvenue 2 days ago

    After all that you & wife are having a boy? Don't be so sure.

    At age four he might tell you something wonderful.

    Best wishes.

    ·

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  • MrLaser2

    MrLaser2 6 days ago

    Really good video, well explained, simple and you make it interesting to watch. Thank you :)

    ·

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  • Hings Lim

    Hings Lim 1 week ago

    And get a new dad... Lol...

    ·

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    in reply to Alec McKinney (Show the comment)
  • Lizzardman666

    Lizzardman666 1 week ago

    shut up. nobody cares about your made-up bullshit

    ·

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    in reply to valery tozer (Show the comment)
  • David Sánchez Tovar

    David Sánchez Tovar 1 week ago

    Maybe a dumb question, but, what happens to genetic diversity and adaptability of the lizards?

    ·

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