In many religions there are specific beliefs about gender and their rights and roles. In this way the study of gender is relevant to the study of religion.

Gender is the Dependant Variable

No, it is simply a field of study which anyone who has an interest can study. Fields of study are not gender specific.

This is a new field, less than 20 years old, but study after study is showing that same-gender marriage has virtually no affect whatsoever on society.

Some schools offer "Gender Studies" where you can learn about the roles of people in society, and this will definitely study feminism.