Is our gender something we are born with or is it something we put on and perform daily?

Is our gender something we are born with or is it something we put on and perform daily?
Is our gender something we are born with or is it something we put on and perform daily?
Is our gender something we are born with or is it something we put on and perform daily?
UMSL also ranked No. 136 nationally on the list of top public universities.