This type of radical body-plan modification is typically accomplished by illuminating a handwavium target with a strong flimflammon source, such that the genetic material to be modified is coated with crispy frionized handwavium.
You know... the same way we're going to genetically modify humans to be smarter, faster, and more attractive?
You know... the same way we're going to genetically modify humans to be smarter, faster, and more attractive?