我的回复(2011-4-13 16:25):thx for you inquires. I learned some population genetics, but not so intensive and I am not on this field. So answer would be not authority. You may refer this course: http://v.163.com/movie/2010/1/A/N/M6GGAEIED_M6GGHEUAN.html
and read the up-to-data review in this field form Prof. Dr. M. Nei. thanks.