Photo: Glowing Pig Passes Genes to Piglets

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A researcher holds two piglets under ultraviolet light to show the fluorescent green glow from their snouts, trotters, and tongues in Harbin, China, on Monday January 7, 2008.

The cloned mother pig's genes were altered to make it glow fluorescent green, and this trait was passed on to 2 of her 11 offspring.

Scientists say the finding could lead to discoveries for human medicine.

Photograph from ChinaTopix/AP

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