It all depends on what part of advertising/ marketing you want to work in. To work in the creative side (design of ads, slogans etc.) you don't neccesarily need a degree, so long as you can show your ability in an interview. The hours in this line of work do vary and from time to time you will need to work over-time.
Gender roles are socially acceptable and expected rules of behavior for men and women. When people think of gender roles, they often consider traditional roles that dominated the early and mid-20th century in the United States. In these roles, men were the breadwinners of the family, and the women took care of the house and children. These rules of behavior were taught from one generation to another.
The proper role for a woman is whatever role she wants to play. The most thrilling part of being a woman in 21st century America is that we actually get to choose this. Some women want to be the instigator. Sex and the City role model: Samantha Jones. Also, cougars.