oncomouse
n.— «In addition to the celebrated “oncomouse,” which is primed to get cancer (and had a patent case fought over it), there are mice which have been genetically altered to make them deaf or to give them the mouse version of Parkinson’s or Alzheimer’s.» —“Genetic science alters war on animal rights” by Kirsty Milne Scotsman (Edinburgh, Scotland) Aug. 28, 2005. (source: Double-Tongued Dictionary)