The Details to include in summary are:
Breeds such as the Alaskan Malamute and the Siberian Husky have contributed genes to the sled dog makeup.
The research will allow isolation of the genes that mark the attributes of sled dogs and may benefit human research.
Traits such as speed, endurance, and work ethic have been selectively bred into sled dogs from various breeds.
Huson's research proves that sled dogs are unique by virtue of their performance abilities.
The Details to omit from summary is: Sled dogs do not necessarily look similar because appearance is not a direct function of performance.
What is the summary
The study "The Alaskan Sled Dog: A Genetic Breed Apart" conducted by Dr. Heidi Huson and her colleagues at the National Institutes of Health (NIH) revealed that Alaskan sled dogs are a genetically distinct breed, characterized by their exceptional athleticism and endurance rather than their physical appearance.
Therefore, unlike most recognized dog breeds, which are defined by specific physical traits, Alaskan sled dogs have been selectively bred for their ability to perform in sledding competitions. This has led to a unique genetic makeup that sets them apart from other dog breeds.