Imagine that I’m a mad scientist (or perhaps just a geneticist who doesn’t blink an eye while fiddling with nature’s design) and I want to see what happens when I introduce substantial genetic changes into a chimpanzee.In my experimentation, I double the chimp’s height, change it’s hair color to yellow, induce mutations to change eye color, give it the ability to see better at night, increase muscle strength in its lower body so that it can jump long distances, and several dozen other changes. The end result looks different, acts different, has changes in physiology, its capacity to tolerate heat,...