:::::::Probably, although there are probably ways to achieve speciation through purely neutral shifts; think changes in sexual selection which lead to a segregation of the population while leaving the net fitness unchanged. But the point is that most genetic mechanisms aren't either 'micro' or 'macro.' They tend to contribute to both. [[User:Tsumetai|Tsumetai]] 04:19, 17 April 2007 (EDT) | :::::::Probably, although there are probably ways to achieve speciation through purely neutral shifts; think changes in sexual selection which lead to a segregation of the population while leaving the net fitness unchanged. But the point is that most genetic mechanisms aren't either 'micro' or 'macro.' They tend to contribute to both. [[User:Tsumetai|Tsumetai]] 04:19, 17 April 2007 (EDT) |