The Science of Dogs
Over the weekend I watched the National Geographic documentary “The Science of Dogs.” It explored canine genetics, studying what it is about a dog’s DNA that makes it the species with the greatest number of breeds. The documentary revealed that there is something uniquely malleable about canine DNA that allows it to make a staggering variety of small changes. The example given by the documentary explained that one can breed cows in such a way to get different color patterns or shapes of horns. But all cows will look fundamentally the same and share identical characteristics. As we well know, … Continue reading