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Seven Tyrannosaurus rex were cloned by InGen scientists in their compound on Isla Sorna, circa 1990. The Tyrannosaurus, according to JurassicWorld.com, had lived on Isla Nublar for 25 years, so Tyrannosaurus was most likely born around 1990. This also means that it would have been 3 years old of age at the time of the Jurassic Park Incident.
Unlike the originals, the T. rex clones have been known to see only movement due to the mixture of frog DNA.[1] Like all of InGen's theropods, the T. rex clones have pronated wrists. These clones run speeds up to 32 mph instead of 15-25 mph.
