through generics, just like humans
They look and act differently
The answer is more a case of- why do dogs belong to the family of wolves? Dogs are the direct descendants of wolves, and so belong to that family. Some dogs don't look like they have wolf ancestors, but they do. Others look very similar, such as alsations.
They look like before they pass through each other.
you can go to the animal shelter and look for the girl and boy symbols next to them. bring them home grow them up and get them to like each other and they will all have a surprise!:)
they look like each other
Yes, it can happen. Sometimes dogs seem to have special friends, whom they look out for. It can happen with two dogs in the same household, or with those who see each other frequently.
look at each other
Justin and Jack do not look like each other.
it look just white to dogs but, it looks like purple to cats.:)
These are her dogs
Yes all dogs can breed with each other. The puppies may look ugly but all dogs can breed with dogs that aren't the same breed.
Well they are but they are just doing it lightly like nipping each other. It doesn't hurt them if they were in a fight they would be hissing at each other.