Which phrase defines the term

"gender roles" best

A gender role is a set of societal norms showing and explaing the types of behaviors which are considered as acceptable or appropriate for a certain sex.

The term can be understood by dividing the term into two. Gender which means tells whether a person is a male or female. Roles means the part or responsibilities that align with you. Put them together, we understand the term as the obligations of man and women in a society.