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McGraw Hill

The Mc Graw Hill Companies, Inc.: Asexual Reproduction

For Students 6th - 9th
The succinct site covers what asexual reproduction is in plants, describes how stolons and rhizomes produce new plants, and discusses human cloning techniques.
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University of Wisconsin

The Why Files: Scottish Sheep Shocker! New Pair of Genes

For Students 9th - 10th
This article provides a discussion of DNA and how it replicates. Includes a chromosome map of a human male, a close-up of chromosomes just before cell division and a close up of a DNA molecule.
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Exploratorium

Exploratorium: Microscope Imaging Station: Mouse Embryonic Stem Cells

For Students 9th - 10th
Stem cells have an enormous impact on the structure of a living creature. This site features still images as well as short videos of these cells in action.

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