The American hairless terrier is one of the newest official dog breeds, recognized by the United Kennel Club in 2004. Just in time, too. Allergies have reached epidemic proportions, forcing many sufferers to miss out on one of life's basic pleasures. Now an adorable dog is available for them, too—the perfect lap size and no shedding. These dogs' natural intelligence and calm temperament make them excellent companions. They are also curious, active, courageous, and playful. Humans had a need, and presto, we could breed a dog to meet those needs. Just coincidence? Centuries ago, English breeders saw another need — a massive dog that could guard, do search and rescue, and assist police work. So the English mastiff was born. It is, in fact, the heaviest breed on record, tipping the scales at 343 pounds (156 kg). These gentle giants have an amiable nature. They love families and desire to please.
Biologists are puzzled how tiny genetic changes can produce so many dog varieties in such a short time.
How could any two animals be more different? And these are just two of the 500 dog breeds around the world!
Even more amazing, the vast majority of these breeds are fewer than 500 years old. Indeed, most are fewer than 150 years old. Biologists are puzzled about how tiny genetic changes can produce so many dog varieties in such a short time.1 As a matter of fact, no other mammal has the same range of variation.
How could these diverse suites of traits appear so quickly, rather than by slow, chance processes over thousands of generations? The only reasonable explanation for such complex, elegant, preprogrammed genetic systems is that they were designed that way.
[Read the rest of the article at Answers in Genesis.]