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Cloning Key Stories

Research and Technology | Ethics | Regulation

Research and Technology

Dolly Shows New View of Clones, Aging
May 27, 1999
The first molecular studies ever conducted on Dolly, the 3-year-old sheep cloned from a 6-year-old ewe, have found that Dolly's cells are, in essence, at least nine years old.

Japanese Clone 8 Calves From Cow
December 9, 1998
Scientists in Japan have cloned several calves from a single adult cow, the third species of mammal to be genetically duplicated after sheep and mice, and the most commercially important animal to be cloned to date.

Mass. Firm Says It Created Embryo Out of Human, Cow Cells
November 13, 1998
Scientists, ethicists and federal regulators scrambled to sort out the many controversial issues raised by a small biotechnology company's announcement that it had used cloning techniques to create an embryo out of human and cow cells.

Last Cow of Rare Breed Is Cloned in New Zealand
August 20, 1998
Scientists in New Zealand said they cloned the lone surviving member of a rare breed of cow, marking the third reported cloning of an adult mammal of the summer and the first of a rare or endangered species.

Scientists Clone Mice
July 23, 1998
Scientists in Hawaii have created dozens of cloned mice, marking the first documented cloning of adult mammals since researchers in Scotland announced the birth of Dolly the sheep last year.

Mouse May Have Been Cloned
June 27, 1998
Ever since researchers in Scotland announced 15 months ago that they had cloned a sheep named Dolly from a single cell from an adult, scientists have rushed to duplicate the feat. University of Hawaii researcher Ryuzo Yanagimachi, may have succeeded with mice.

Man Who Cloned Sheep May Try Again
February 14, 1998
After stunning the world by creating the first adult clone, scientist Ian Wilmut hinted he may be repeating the experiment to silence critics who question whether Dolly the sheep actually came from an adult cell.

Cloned Calves Are 'Major Step' Toward Making Medicines
January 21, 1998
Scientists for the first time have cloned genetically engineered calves, a feat they said would help them create herds of identical cows that make medicines in their milk.

Cow Eggs Play Crucial Role in Cloning Effort
January 19, 1998
It sounds like a recipe for a witch's brew: Scientists in Wisconsin have mixed ear of pig and egg of cow -- also ear of rat and egg of cow and a variety of other cross-species combinations -- to clone living embryos of pigs, rats, sheep and monkeys.

Scientist Plans to Clone Humans
January 7, 1998
A Chicago scientist, Richard Seed said he assembled a team of doctors that is prepared to clone a human being before Congress has a chance to ban the procedure.

Near-Term Benefits of Cloning Likely to Be Medical
March 29, 1997
The routine genetic modification of animals to create healthier food products may be the most dramatic legacy of the remarkable cloning experiment in Scotland that produced Dolly, but Dolly's creation is likely to bring less visible but profound changes in medicine.

Scientists Achieve Cloning Success
February 24, 1997
Scottish researchers' startling achievement, long thought to be biologically impossible, was the first cloning of an adult mammal, and the birth of a lamb named Dolly.


Ethics Board to Review Cloning's Implications
February 25, 1997
President Clinton yesterday asked a national ethics board to review the "troubling" implications of the cloning of adult sheep by Scottish researchers.

Panel to Back Human Embryo Cloning
June 4, 1997
A federal ethics commission will recommend that Congress enact legislation that would allow some researchers to create cloned human embryos, but would prohibit the use of those embryos to make cloned human babies.


Senate Blocks GOP Drive to Quickly Ban Human Cloning February 12, 1998
Senate Republican leaders' plans for swift enactment of a ban on human cloning collapsed amid complaints that the legislation went too far and threatened to impede promising biomedical research.

United Against Human Cloning, Hill Leaders Differ on Specifics
February 4, 1998
Congressional leaders appear to have decided that one of the biggest issues they face in the opening days of the 1998 legislative session is Richard Seed, the man who wants to clone human beings.

Armey Announces Measure to Ban Human Cloning
January 30, 1998
House Majority Leader Richard K. Armey (R-Tex.) announced a bill banning human cloning, saying "cloning is the way amoebas produce -- it was never intended for man."

Human Clone Research Will Be Regulated
January 20, 1998
The Food and Drug Administration declared unambiguously that it has the authority to regulate human cloning and will assert it.

Clinton Forbids Funding of Human Clone Studies
March 5, 1997
Warning against the temptation "to play God," President Clinton banned federal funding of human cloning research.

© Copyright 1998 The Washington Post Company

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