The Chain Of Events

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(3 of 3)

1998

Two teams grow embryonic stem cells in a Petri dish

1999

First known American death caused by gene therapy: Jesse Gelsinger, 18, dies of multiple-organ failure after receiving an experimental treatment

Ingo Potrykus and Peter Beyer create golden rice, a bioengineered strain enriched with beta-carotene

2000

Venter and Francis Collins announce together that they have sequenced the human genome

2002

Scientists at Texas A&M University clone a house cat, which they name cc

Gene-therapy trials in France and the U.S. for the bubble-boy disease are halted after a child undergoing treat-ment develops a leukemia-like disease

Raelian sect claims the birth of the first cloned human baby, named Eve, but offers no proof

2003

50th anniversary of Watson and Crick's discovery of the double helix

Britain's Royal Mint is scheduled to issue a £2 coin commemorating the event --By Sora Song and Andrea Dorfman