80,658,175,170,943,878,571,660,636,856,403,766,975,289,505,440,883,277,824,000,000,000,000 is the combinations from a starting value of 52. The starting value of bacteria is approximately 5,000,000,000,000,000,000,000,000,000,000. Each slightly mutate through their fast lived generations. Mutations may, or may not be useful as seen in subsequent generations.
So you're telling me there's a chance?
Quick - buy a lottery ticket.
Selective breeding is a type of short term controlled evolution that we have done with all sorts of both plants and animals. It isn't a stretch to realize that over the course of millions of years, due to environmental reasons or random mutation, you can wind up with vastly different varieties of life forms.