The Gene

How Many Genes to Build an Organ Like the Brain?

How many genes does it take to build an organ as complex as the human brain? The answer? Fewer than in an onion! Discover just how many human genes there are.

How Many Genes to Build an Organ Like the Brain?

1m 15s

  • The Gene Explained | The Gene That Transformed: asset-mezzanine-16x9

    The Gene Explained | The Gene That Transformed

    3m 9s

    What terrifying things go on in a chrysalis, and what dark role do genes play? In this episode, learn how a hormone wakes up a gene that triggers the transformation of a caterpillar into a butterfly -- from forming a chrysalis to liquefying the caterpillar to fuel the imaginal discs that form a butterfly.

  • The Gene Explained | Invasion of the Gene Snatchers: asset-mezzanine-16x9

    The Gene Explained | Invasion of the Gene Snatchers

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  • The Gene Explained | Gene Damage: asset-mezzanine-16x9

    The Gene Explained | Gene Damage

    3m 25s

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