Question

the alaskan sled dog - a genetic breed apart
adapted from the national human genome research institute
heather huson has a passion for sled dogs. she grew up participating in sled - dog racing, qualifying for the u.s. team, and competing in the sports world championship of sled - dog racing in 1995 and 2001.
now a national human genome research institute (nhgri) graduate student, she has found another place for sled dogs: in her genetics research.
huson is the lead author of a study on the genetic origins of sled dogs. the study also includes authors from nhgris cancer genomics branch and university advisors. in their analysis of 199 alaskan sled dogs and 141 other breeds, the study found that alaskan sled dogs represent a distinct genetic breed. they are characterized by performance and behavior rather than appearance.
the alaskan sled dog presents a case in which a genetically distinct breed of dog has been developed through the selection and breeding of individuals based solely on their athletic prowess. huson said, interestingly, this continual out - crossing for athletic enhancement has still led to the alaskan sled dog producing its own unique genetic signature. indeed, the alaskan sled dog breed proved to be more genetically distinct than breeds of similar heritage such as the alaskan malamute and siberian husky.
dogs have been used for pulling sleds in the arctic region for hundreds of years. over the past 50 years, sled - dog racing has become a high - performance sport that has influenced the kind of dog that is selected for a team. in the modern era, the working sled dog has been bred with fleet - footed breeds like the english pointer and the german shorthaired pointer to enhance the athletic performance desired.
consequently, the animals that huson and others in her sport assemble as a team can be dissimilar in appearance. to look at husons sled - team, for example, you might suspect her dogs to be not a common breed. some have short fur, others long hair, while some have a trace resemblance to irish setters and others to german shepherds. but, depending upon the type of race, its sprinting ability or endurance that are the traits sought by mushers. it helps if the animal has a strong work ethic as well.
in the study, huson and her colleagues sampled sled dogs from eight kennels. they tested them for speed, endurance, and work ethic, using established criteria specified for the distinct racing styles of sprint and distance. an assessment of work ethic was made by observing the tension of the tugline that attaches an individual dogs harness to the main team line. these attributes were correlated with genetic information taken from each dog and compared with likely ancestor breeds.
the new insights about performance and breed origin were derived from a dna analysis of 90 markers in the canine genome. the researchers compared alaskan sled dog data from 141 similarly genotyped purebred dog breeds. their findings confirmed that the alaskan sled dog has a unique molecular signature and that the genetic profile is sufficient for identifying dogs bred for sprint versus distance.
moreover, the researchers could identify contributions from existing breeds to the alaskan sled dog profile. the alaskan malamute and the siberian husky contribute enhanced endurance, the pointer and the setter are associated with enhanced speed, and the anatolian shepherd demonstrates a positive influence on work ethic.
according to the study, this research has set the stage for mapping studies aimed at finding genes that are associated with athletic attributes integral to the alaskan sled dog. huson also notes that canine performance research is instructive in gaining genomic insights about metabolic systems important for muscle rehabilitation, which could help people suffering from physically disabling diseases.
2
drag each label to the correct location on the image.
imagine you are summarizing the alaskan sled dog: a genetic breed apart as part of a research project on the topic. determine which details should be included in a summary of the text and which details should be omitted from the summary.
traits such as speed, endurance, and work ethic have been selectively bred into sled dogs from various breeds.
the research will allow isolation of the genes that mark the attributes of sled dogs and may benefit human research.
sled dogs do not necessarily look similar because appearance is not a direct function of performance.
husons research proves that sled dogs are unique by virtue of their performance abilities.
breeds such as the alaskan malamute and the siberian husky have contributed genes to the sled dog makeup.
details to include in summary
details to omit from summary

Explanation:

Details that are central to the main idea of the genetic uniqueness and performance - related genetics of sled dogs should be included. Details that are more tangential or less relevant to the core genetic and performance - based discussion should be omitted. Traits selectively bred into sled dogs, the potential for human research benefit, the non - correlation between appearance and performance, and the contribution of other breeds to sled dog makeup are key points. The fact that Huson's research proves sled dogs are unique by performance abilities is also important.

Answer:

Details to include in summary:

• Traits such as speed, endurance, and work ethic have been selectively bred into sled dogs from various breeds.
• The research will allow isolation of the genes that mark the attributes of sled dogs and may benefit human research.
• Sled dogs do not necessarily look similar because appearance is not a direct function of performance.
• Breeds such as the Alaskan Malamute and the Siberian Husky have contributed genes to the sled dog makeup.
• Huson's research proves that sled dogs are unique by virtue of their performance abilities.

Details to omit from summary: None of the provided details seem to be clearly non - relevant based on the information given, but if we had to choose, less important details could be those about Huson's personal background in sled - dog racing as they are more about the researcher and less about the genetic study itself. However, since no such specific details are in the provided labels, the "Details to omit" section could be left blank for now.