NOVA: Dogs and More Dogs

All domestic dogs, and their common ancestor the gray wolf, have virtually identical genes. So how do we explain their immense diversity of breeds? Visit cutting-edge dog labs and learn about the most recent developments in genetic mapping and cloning. You’ll also hear from breeders and dog experts who explore the age-old bond between humans and our canine friends. 2004/color/60 min/NR/widescreen.

Features

• Factory sealed DVD