Yes. You "can" do most things, you really shouldn't though. Monkeys are mean, the bite and scratch, and ape's are worse. If you tried to have sex with a chimpanzee it will probably kill you seeing as its three times strong than you are.
monkeys have sex because they need those genes passed to their baby. just like we humans do. all they do is hump on each other like we do! Although we do it, and do it, and do it until we hve no...