Medical Definition of MOLECULAR GENETICS. : a branch of genetics dealing with the structure and activity of genetic material at the molecular level.ADVERTISEMENT.edical Definition of MOLECULAR GENETICS. : a branch of genetics dealing with the structure and activity of genetic material at the molecular level. Britannica.com: Encyclopedia article about molecular genetics.
We often think of exercise only as a health issue, but it has significant day-to-day effects on a dogâs behavior as well. Dogs â particularly puppies and young dogs â have a lot of energy, and if they donât get the chance to burn it off, destructive behavior is often the result. Dog parks are popular places for off-leash exercise and romping with other dogs, which is exactly what most dogs need. 2  However, not all dogs can play nicely with others. 3  If your dog doesnât like other dogs, the dog park is definitely not the place for him. 4  Doggie day care can exercise both his mind and body.
Yes, it seems that many dogs bear more of their weight forward, so over time, those back legs lose tone. steve recently postedâ¦Hind Leg Exercises for Dogs: The Slimdoggy Squat. Great tip, good for all dogs but really good for senior dogs who tend to loose muscle mass in their back legs as they get older.