Females give up their lives for their offspring

Females are weak and emotional

Males are the breadwinners

Males don't show emotion

Yes, gender plays a role in sexual orientation.

a gender role is set of rules ascribed to the people by the virtue of being a male or a female

Refers to people who do not fit within the traditional 2 gender role of Male or Female. This may be someone who feels they have some of both genders or someone who feels they have no gender.

Refers to people who do not fit within the traditional 2 gender role of Male or Female. This may be someone who feels they have some of both genders or someone who feels they have no gender.