Cloning is most efficient using non-stem cells.(Brief article) From: Science News | Date: October 21, 2006| Author: | COPYRIGHT 2006 Science Service, Inc. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan.  All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information) Copyright information

Fully matured cells can be used to clone animals; in fact, using such cells for this purpose may be more efficient than using stem cells, scientists report.

Since Dolly the cloned sheep was born in 1996, some scientists have speculated that the donor cells used to create her and other cloned animals were rare adult stem cells--immature cells that have the potential to create a multitude of other cell types.

To examine how a cell's maturity affects its usefulness for cloning, Xiangzhong (Jerry) Yang of the University of Connecticut in Storrs and his colleagues worked with ...

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