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The origin of the dog Genetic and embryological studies have shown that a dog home should be the same species as the gray wolf, and their difference in the sequences of both nuclear and mitochondrial DNA does not exceed 0.2% (compared to the jackal and coyote around 4%). Recent studies have shown that the dingo are dogs, but their DNA is still more similar to wolves. Arguments supporting the theory of origin of domestic dog from wolves are also (according to Hans Raber): - Similarity in the shape of the surface of fourth premolars, - Weight of the dog brain is most similar to brain weight and volume of the Wolf (the dog is less by about 30%, with a jackal differences were larger), - Blood tests, showing the construction of a specific group of proteins most similar to the blood wolf - Ethological studies have confirmed the convergence of social behavior among the refer wolves and dogs. There was also a hypothesis saying that there already extinct, ancient progenitor of the common domestic dog, similar to the dingo dogs or dogs pariahs. Dog domestication Wolf bones were found alongside human remains as old as man of Boxgrove (England), dated at 400 thousand years BC Skulls of wolves taken from the sunken nomad camp, who went from Siberia to Alaska, are almost the same as the skulls of their ancestors from Boxgrove. Their jaws were less forward position, and the teeth more crowded, but the appearance of the skull were still wild animals. Domestication probably occurred between 15 000 - 8 000 BC in Asia. One of the oldest centers of domestication of the dog can also include areas of Europe, where he found fossil bones of this animal, or regions of Denmark, Germany and England, as well as discoveries in the vicinity of Israel, Iran, Japan and Turkey. It was also found that areas in the United States, Idaho 10 000 years ago and lived a representative of domestic dog. The Americas dogs have found their way to these continents  men (fathers indian), and thus came from Asia - first in North America through Beringidę, and then to South America through the Panama platform. Australia had to get up long before the arrival of Europeans, who are already there, found the wild dogs, domestic, or dingo.

Around this same time, the hunters began to shoot more likely to use than a spear. Wolves - nearly dogs - have become more useful (eg to raise hunted prey) and began to enjoy human "friendship" as a useful animal. In Ein Mallah in Israel, in grave 'first farmers' skeleton was found buried alongside a child a puppy. Wild animals become family members. Soon they fell mouth, teeth have fallen, his eyes widened and become round. How did the first dogs we can conclude by observing wild dogs primitive (called pariahs). Belonging to this their race: Canaan Dog, Singing Dog New Guinea, dog from North Carolina (Carolina Dog), dingo and the Indian type of pariah. Primary breed dogs Dingo has not changed much since then, but since dogs spread throughout almost the world (except Africa, which was free from them until the age of iron) as quickly as men. Conducted in 2004, DNA tests helped to determine the original breeds of dogs 14 (examined only 1 / 5 of known breeds). Several slightly altered the original time, dogs are kept today. You can name at least Basenji, Canaan Dog, Peruvian Hairless Dog and Akita. The excavations of the Stone Age, archeologists found the remains of a dog of medium size, which was very similar to today's Norway (Norwegian Elkhound Norwegian Elkhound and black). There is no doubt that before 7000 years on the shores of the North Sea and Baltic lived dogs, which were used for hunting big game as a guard dog, and - perhaps - draft. Similar skeletal remains were found on ships, and discovered the graves of the Vikings. The oldest records demonstrating a coexistence of man and dog is the information from the period of Sumerian culture. From presented in ancient Egyptian paintings of dogs named tesem derives dog Pharaoh, Greyhound and modern greyhound race.