"Genie, I wish I would turn into a monkey," you say.
"Granted" replies the Genie.
Suddenly, you feel strange, as thick, brown fur sprouts from your arms and chest. It spread down your legs as you notice that your feet are changing. Your big toes move down the side of your feet as it, and your other toes grow longer and more flexible. The fur moves up to your face as your mouth slightly pushes out and your teeth sharpen. The fur centers around your backside as a tail starts to grow. it grows longer and it if flexible. You soon feel disoriented as you start shrinking. your transformation is soon complete as you sit on the floor a 1'6" spider monkey.