[~baby~doll~]

In a society which is rife with gender stereotypes and biases, children regularly learn to adopt gender roles which are not always fair to both sexes. As children move through childhood and into adolescence, they are exposed to many factors which influence their attitudes and behaviors regarding gender roles. These attitudes and behaviors are generally learned first in the home and are then reinforced by the child's peers, school experience, and television viewing. However, the strongest influence on gender role development seems to occur within the family setting, with parents passing on, both overtly and covertly, to their children their own beliefs about gender. This overview of the impact of parental influence on gender role development leads to the suggestion that an androgynous gender role orientation may be more beneficial to children than strict adherence to traditional gender roles.

http://gozips.uakron.edu/~susan8/parinf.htm

We are assigned these roles before we get home and are expected by tradition to adapt and follow what has gone before us.
Melissa says in her song Gotta Go Now

Women can work
As long as dinner is done
And if you let little girls play with trucks
Their sexuality gets all screwed up
This is so the truth about being forced into expectations rather than allowing us to be who we are.