PHILIPPE PSAILA / SCIENCE PHOTO LIBRARY PHILIPPE PSAILA / SCIENCE PHOTO LIBRARY
Cloning cows, harvested eggs. Researcher holding laboratory equipment that has been used to harvest eggs (female reproductive cells) during cloning work. These egg cells, in the yellow tube, are from a cow (Bos taurus). This is the Bio Sidus biotechnology company, in Argentina, which successfully cloned a cow in 2002. The cloned cows are intended to be used to produce human growth hormone (hGH) in their milk.
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