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NOVA ScienceNOW

The Cloning Process

  • By Kitai Kim & Willy Lensch
  • Posted 04.01.05
  • NOVA scienceNOW

In this slide show, Harvard stem cell scientists take you through the process of creating embryonic stem cells using a cloned mouse embryo. Scientists generally refer to the technique as "somatic cell nuclear transfer." It is the process at the heart of what is alternately called "therapeutic cloning" or "human cloning."

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Microphotographs show step-by-step how scientists create a cloned mouse embryo to generate embryonic stem cells.

Credits

Images

(man in lab)
© WGBH/NOVA
(microscope photos)
Courtesy Drs. Kitai Kim and M. Willy Lensch

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