Word: wilmut
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Dates: during 1990-1999
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While the age of the donor is probably partly responsible, the research team--which included Ian Wilmut, Dolly's creator--may have discovered another factor. The more time a clone embryo spent in a test tube before transfer to a womb, the shorter the clone's telomeres. "In culture, cells go through 20 divisions," says research director Alan Colman. "That's a significant percentage of the 150 they go through in a lifetime...
...Wilmut did it. From a single mammary cell, taken from an adult ewe, he and his colleagues at the Roslin Institute cloned a sheep called Dolly and introduced her to a skeptical world in February...
...event, he seemed as surprised as anyone else that his modest and eerily simple experiment, conducted with limited funding, should have as much impact on our sense of what it is to be human as anything since Adam and Eve. Wilmut wanted to use his cloning technology to improve livestock. "I think we should trust the farmers," he said. Any experimentation with humans, he believed, should be kept strictly at the level of cells and proteins. It would be ethically unacceptable, he said, to use his technique to create a human clone...
That, however, was the very thing that caught the world's imagination. Human cloning! The stuff of science fiction seemed about to become reality. Even before other labs had confirmed Wilmut's discovery, a Harvard-trained physicist named Richard Seed proclaimed his intention to clone humans for commercial purposes. Cloning, he declared grandiosely, was "the first serious step toward becoming one with...
...wait for the first human infant to be produced, in secret, by a Richard Seed or his offshore equivalent? Ian Wilmut, the soft-spoken scientist who started this noisy revolution, says no. The father of three (one of them adopted), he speaks passionately of honoring the individuality of the child. Human cloning, he says, should be banned...