I can see the vision, but man is your game hard to understand. Why can you click on humans if you can't do anything to them? Everything I'm going to say here you might have wanted to implement but did not have time for it: you should limit the number of mutation available at the start, and leave only those that really do something for you at the start, and unlock the others as the player progresses. An integrated tutorial would do great for such a complicated game would be great too.
I really think this game is something special though, and could be expanded into a fully fledged proposition.