In the 19th century, the new theory of evolution was criticized on grounds that if an advantageous variant trait happened to appear in a population,

In the 19th century, the new theory of evolution was criticized on grounds that ifan advantageous variant trait happened to appear in a population, the individualcarrying the trait would only be able to mate with less fit individuals. Theseprogeny would almost certainly also mate with less fit individuals, and so on.With time, the trait would be diluted out. Darwin himself admitted he did notknow how to refute this objection. Do you?