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Science Nation: Mapping the Genomes of Crocodiles and Alligators

2 minutes 29 seconds

Now Playing As: Captioned (English) (change)

David Ray never turns his back on his research, and with good reason. Ray and his team study alligators, crocodiles, and bats. With support from the National Science Foundation, this multidisciplinary team from several universities is mapping crocodile and alligator genomes. Reptiles resembling these have existed for around 80 million years and they are among the first reptiles to have their DNA sequenced. The research will expand knowledge beyond crocodilians to other reptiles, birds, and even dinosaurs.

Media Details

Runtime: 2 minutes 29 seconds

Topic: Science
Subtopic: Biology, Physiology, Reptiles
Grade/Interest Level: 10 - 12
Standards:

Release Year: 2009
Producer/Distributor: National Science Foundation
Series: Science Nation
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Bolt of lightning arcing from cloud to ground. Caption: we all want up-to-the-minute information.

Cluster of nerve fibers. Caption: that can image deep into biological tissue,

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Person with a fabric cap strapped to their head. The cap has metal rivets and wires attached. Captions: (female) it feels maybe like a mild itchy or tingling sensation.

Microscopic image showing web-like structures and C shaped tubular organisms. Caption: (narrator) The soil itself is home to a vast number of tiny microbes,

White glowing orb against a black grid. Caption: Weakly Interacting Massive Particle