Jan. 23, 2014 — A cancer normally lives and dies with a person, however this is not the case with a sexually transmitted cancer in dogs. In a study published in Science, researchers have described the genome and evolution of this cancer that has continued living within the dog population for the past 11,000 years.
Scientists have sequenced the genome of the world's oldest continuously surviving cancer, a transmissible genital cancer that affects dogs. This cancer, which causes grotesque genital tumors in dogs around the world, first arose in a single dog that lived about 11,000 years ago. The cancer survived after the death of this dog by the transfer of its cancer cells to other dogs during mating.
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