The ad copywriters are already working on the TV ads:
“Ask your doctor if Goutsaur Rex is right for you?”
“[side effects include sickness, premature aging, extreme longevity, wrinkly skin, big teeth, massive weight gain, long tail growth, screechy voices, compulsion to eat trees, brain shrinkage, obsession with Raquel Welch]”
In 10 years someone will discover that this DNA was responsible for the extinction of the dinosaurs. Oops.