Are there words for people who are attracted to a specific gender?
Solution 1:
An androphilic individual is attracted to males. A gynephilic individual is attracted to females. 
Solution 2:
Androsexuals are attracted to men; gynosexuals to women.
An androphilic individual is attracted to males. A gynephilic individual is attracted to females.
Androsexuals are attracted to men; gynosexuals to women.