For two decades, a team of researchers cloned mice from successive generations of clones until the new clones were no longer ...

Scientists tracked cloned mice for decades and found that tiny DNA errors build up over time, eventually causing cloning to ...

Learn how the Amazon molly, an all-female fish that reproduces asexually, uses gene conversion to maintain healthy DNA and ...

A mouse cloning experiment that ran for two decades and spanned 58 generations of serial recloning has reached a dead end, ...

Countless scientists and at least a dozen high-concept sci-fi comedies over the past 30 years have speculated on the ...

As the generations dragged on past the 27th iteration, the birth rate began to silently collapse. By the 57th generation, a mere 0.6 percent of the cloned embryos survived. The 58th generation ...

The cloning era began when Dolly the sheep was manufactured in 1996. Dolly was cloned via somatic cell nuclear transfer (SCNT). This is accomplished by removing the nucleus from a skin or other cell ...

Even back then, scientists were puzzled. Many prediction models suggested this fish shouldn’t survive beyond roughly 10,000 ...

Meet Zhong Zhong and Hua Hua, two cloned macaque monkeys. Chinese scientists first unveiled these monkeys several weeks ago, marking the first time primates have been successfully cloned with the same ...

The favored form of compromise prohibits “reproductive” cloning while allowing “therapeutic” cloning to continue unabated. But a ban solely on reproductive uses only looks like a compromise. It’s ...

NOTICE: The project that is the subject of this report was approved by the Governing Board of the National Research Council, whose members are drawn from the councils of the National Academy of ...