Seeing red: The cloned puppy that glows in the dark | Mail OnlineAt first glance, this sweet beagle puppy seems nothing out of the ordinary.
But when she is lit with an ultraviolet light, the astonishing dog glows in the dark.
Ruppy - short for Ruby Puppy - was one of five cloned puppies genetically engineered to produce a fluorescent protein by scientists. When placed under an ultraviolet light they all glow a deep red.
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