Historically, maybe it's not so shocking. According to the article below, Today’s human population is descended from twice as many women as men...To get that

Historically, maybe it's not so shocking. According to the article below, Today’s human population is descended from twice as many women as men...To get that kind of difference, you had to have something like, throughout the entire history of the human race, maybe 80% of women but only 40% of men reproduced. http://www.psy.fsu.edu/~baumeistertice/goodaboutmen.htm http://www.psy.fsu.edu/~baumeistertice/goodaboutmen.htm