String Dog Characteristics The characteristics of the string dog are appearance, because the string dog is the offspring of a cross between a breed dog and a native dog, so the appearance of the string dog will be very special. Because the string dog is a crossbreed, the string dog is also more resistant and has better physical qualities than a purebred dog. There are high and low IQs in string dogs, and some will suffer from hereditary diseases. String dogs have their own unique personalities and are relatively easy to breed.
