What Are the Weirdest Animal Genetic Alterations?

Glowing Kitties 1 of 10

In an effort to prevent the spread of feline AIDs, a select group of cat reproductive eggs were injected with genetic altering material that could prevent the disease, but also made the animal glow. The glowing process is used to track the disease, but any new kittens born from these cats could possess the glowing power as well.