Note that this is fairly common in rodent models for human diseases [1], but as the referenced article says: "Less than Perfect, Still Invaluable". I guess the

Note that this is fairly common in rodent models for human diseases [1], but as the referenced article says: "Less than Perfect, Still Invaluable". I guess the same applies here. [1] http://www.hopkinsmedicine.org/institute_basic_biomedical_sciences/news_events/articles_and_stories/model_organisms/201010_mouse_model.html http://www.hopkinsmedicine.org/institute_basic_biomedical_sc...