That's not the case for a common lizard living on the Texas - Mexico border, which, in just the span of a few months, underwent a dramatic genetic transformation in response to cold weather. (sciencemag.org)
However, when Wikus becomes exposed to a black fluid he finds in one of the slum shacks he finds himself undergoing a radical genetic transformation. (blog.cinemaautopsy.com)
In the animals we domesticated through genetic transformation, «Wild, human - threatening, and human - fearfulness instincts are eliminated and replaced by tameness, an acceptance or desire to be near humans, and often, other specific human - serving personalities.» (firstthings.com)