DNA Technology: Discovering New Species

Barcoding species

Suz Bateson, University of Guelph
DNA barcoding revealed these look-alike blue skipper butterflies were actually two distinct species, though the pattern of their DNA compounds still had more in common with each other than with these owl species.

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©2008 Yale University

By taking bits of a single gene, scientists are using DNA barcoding to identify new species. If a portable hand-held scanning device can be developed, one ecologist says, it could “do for biodiversity what the printing press did for literacy.”
BY JON R. LUOMA

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