chapter  3
30 Pages

Biological Foundations of Sex and Gender

Many of us spend a lot of time thinking about the ways in which boys and girls and men and women are different (and some of us write books about it). But, few of us spend time wondering how we got to be men or women in the fi rst place. As we show in this chapter, sex is not simply defi ned by any single criterion, and there is not a straightforward link between sex and gender.