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  • Dog Genomics and Dogs as Model Organisms

    Dog Genomics and Dogs as Model Organisms


    (28 min 54 sec) Dr. Elinor Karlsson discusses her work with dogs as a model organism for genomic studies.

  • Selection in Action

    Selection in Action


    (58 min 29 sec) Comparing the artificial selection of dogs and corn with the natural selection of the stickleback fish.

  • Dog Breeding

    Dog Breeding


    (1 min 53 sec) The many forms of dogs that exist today were all created through selective breeding from the dog's ancestor, the wolf. In a span of less than 10,000 years, breeders have changed traits and body shapes of dogs by artificial selection-for example, emphasizing different aspects of hunting and herding behavior.

  • Breeding Corn from Teosinte

    Breeding Corn from Teosinte


    (52 sec) Corn was originally bred from the teosinte plant by native Mexican farmers. The morphologies of modern-day corn and teosinte plants are compared to illustrate how artificial selection can bring about dramatic changes in plants.