Trump didn't develop any new traits, or lose his mental balance, on Thursday night.
"We're going back to the wild and picking up new traits.
In the real world, new traits evolve as mutations arise and spread gradually through entire populations.
(Humans changed biologically, too, evolving such new traits as a tolerance for lactose as adults).
They design experiments in which microbes can evolve interesting new traits within weeks.
They respond to new signals, and act to help build new traits.
When new traits are produced by several mutations that influence one another, he argues, that complexity shuts off reverse evolution.
But this appears to be the first company aimed at using genetic engineering to develop pets with new traits.
On their own, mutation and selection can transform a species, giving rise to new traits like limbs and eyes.
The new research suggests that new traits based on multiple mutations can indeed occur with frightening speed.
Dr. Lederberg's discovery that bacteria engage in sex created new understandings of how bacteria evolve and acquire new traits, including resistance to antibiotic drugs.
