God says the earth brought forth living things as He intended. I'll go with His opinion.
Genetics. We can, for example, trace the history of families, individuals, and even national groups thereby. And we know it works, because we can test it on organisms of known descent.
Because you have no idea of what "information" is, you got it completely backwards. Every new mutation in a population increases information in it. Would you like to see the numbers for a simple case?
Recombination might or might not be an increase in information. Again, you don't have any idea of what "information" means, so you're just making it up as you go along.
No, that's not going to happen. You see, both wolves and dogs evolved from a canid ancestor that was neither a dog nor a modern wolf. That ancestor is gone and many of its genes are certainly gone forever.
Although researchers have successfully determined the time, location and ancestry of nearly every other domesticated species, from sheep to cattle to chickens to guinea pigs, they continue to debate these questions for our best friend, Canis familiaris. Scientists also know why humans developed these other domesticated animals—to have food close at hand—but they do not know what inspired us to allow a large, wild carnivore into the family homestead. Yet dogs were the first domesticated species, a status that makes the mystery of their origin that much more perplexing.
As inscrutable as the mystery is, scientists are piecing it together. In the past few years they have made several breakthroughs. They can now say with confidence that contrary to received wisdom, dogs are not descended from the gray wolf species that persists today across much of the Northern Hemisphere, from Alaska to Siberia to Saudi Arabia, but from an unknown and extinct wolf. They are also certain that this domestication event took place while humans were still hunter-gatherers and not after they became agriculturalists, as some investigators had proposed.
At what time and in what location wolves became dogs and whether it was only a one-time event are questions that a large research team, composed of once competing scientists, has just started to tackle. The researchers are visiting museums, universities and other institutions around the world to study collections of canine fossils and bones, and they are readying genetic samples from ancient and modern dogs and wolves for the most comprehensive comparison to date. When they are finished, they will be very close to knowing when and where—if not exactly how—wolves first began down the path toward becoming our trusted companions. Answers to these questions will complement the growing body of evidence for how humans and dogs influenced one another after that relationship was first forged.
Scientists are racing to solve the enduring mystery of how a large, dangerous carnivore evolved into our best friend
www.scientificamerican.com
Notice that the history contained in canid DNA is what will tell us about the origins of dogs and how they evolved to what they are today.