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.
A canine that stops panting, turns to suddenly look at you or away from you, or becomes suddenly attentive and rigid in your presence may be feeling nervous and aggressive, Dr. Fetko explains. If this happens to you, these steps could prevent a bite or an all-out attack--and could save your life: Stand still.Don't approach, pet, or talk to the animal--but don't run away either. Dogs are pursuit predators with a chase reflex, Dr. Fetko says. Keep quiet, and stand at a 90-degree angle [sideways] to the dog.adly, it adds up: Dogs bite an estimated 4.5 million Americans each year. The consequences can be serious: Seven hundred fifty thousand of these bites require medical attention, and about 18 bites a year are fatal. The first line of defense: Learn how to recognize an aggressive dog.