> So this mutation tends to just disappear without selective pressure. I think you are making a good case for that conclusion, and would that not imply that th

> So this mutation tends to just disappear without selective pressure. I think you are making a good case for that conclusion, and would that not imply that the mutation - or, more specifically, its most recent manifestation - arose fairly recently, i.e. subsequent to hunting for ivory becoming a serious problem for elephants?