Image courtesy of National Institutes of Health
Photographer Bill Branson.

The Age of Clones

Researchers in Japan believe they've found a link between cloning and aging. The study compared cloned mice and conventionally reproduced mice. The cloned mice died earlier than their counterparts. The finding raised concerns that a cellular structure related to aging may be abnormal in clones. The size of the Japanese study was very small, but will prompt other research into the "age" of clones.

Explore More: Genetic Engineering
Copyright 2004, Iowa Public Television
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