Wednesday, November 09, 2005

Ancient Penguin DNA Reveals Microevolution on Ice

"Using perfectly preserved, ancient DNA, scientists have demonstrated microevolution in a single species over a span of some 6,000 years. The researchers examined well-preserved bones of Adélie penguins (Pygoscelis adeliae) found in Antarctica and compared them to the birds' living descendants. The scientists discovered small changes in gene frequency, the relative percentage of an allele compared to nearby genes."

Link: Full Article from National Geographic News

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