By Kim Schuske
http://stream.publicbroadcasting.net/production/mp3/kuer/local-kuer-926112.mp3
Evolution of Dogs Part 2
Salt Lake City, UT – : Dogs come in every conceivable shape and size. They can be six pounds or two-hundred pounds. They can be six inches tall or three feet tall. Researchers have begun to decipher the genetics behind this variation in dogs. They've found that only a few genes can cause major differences. Kim Schuske brings us the second part in a 2-part series.