Dog (IMAGE)

Arizona State University

Dog

Caption

CTVT first emerged in a dog that lived 4-8.5 thousand years ago. All CTVT tumours carry the DNA belonging to this 'founder dog'. By counting and analysing the mutations acquired by CTVT tumors around the world, researchers can piece together how and when CTVT emerged and spread. Artist's impression of the 'founder dog' that first gave rise to CTVT. This dog's phenotypic traits were interpreted from the genetic variation found in the DNA of the cancer that it spawned.

Credit

Emma Werner

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