Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE student (fname VARCHAR, sex VARCHAR, stuid VARCHAR)
TABLE: CREATE TABLE has_pet (stuid VARCHAR)

### Question ###
Find the first name and gender of student who have more than one pet.

### Accurate SQL ###

SELECT T1.fname, T1.sex FROM student AS T1 JOIN has_pet AS T2 ON T1.stuid = T2.stuid GROUP BY T1.stuid HAVING COUNT(*) > 1