Edward Willett

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The spider-goat clones of Montreal

  Cloned, genetically altered goats producing spider silk in their milk sounds like something out of The X-Files, but it was in all the papers last week when a company called Nexia revealed it had cloned three goats (Clint, Danny and Arnold), and explained why. The cloning of goats brings to four (sheep, mice, cows and goats) the number of species that have been cloned since Dolly the sheep made headlines a couple of years ago, using a process called nuclear transfer. A clone is an exact genetic copy of an existing animal. Every cell in an animal's body contains the complete genetic information for the entire animal within its nucleus. In nuclear transfer cloning, cells are taken from the animal ...

Posted by Edward Willett at 22:45, May 4th, 1999 under Blog, Columns, Science Columns | Comment now »