I feel that (hypothetically speaking) if a person when back in time, say about 200 years. And described life the way it really is today, they could be considered crazy. If a hypothetic time traveler from 200 years from now and described life in the future, we probably would feel the same way.
Animals are cloned all the time, there is even a company that will clone your favorite pet if one so desires.
edit on 2-8-2012 by Kashai because: Added content