How more short term would you want it to be? The trait doesn't have to be advantageous every single generation in order to spread. It's two generation with or

How more short term would you want it to be? The trait doesn't have to be advantageous every single generation in order to spread. It's two generation with or without selective breeding. The first generation will have individuals with three or four beneficial mutations, the second will have some with five. (assuming the traits are dominant)