I have never heard of lighting having to do anything with the sexes of your plants. ...

Whether your plants are male or female has to do with genetics, much like humans. In fact you can even buy seeds guaranteed to be 100% female plants. They can gaurantee this because the plant those seeds came from has a genetic code which only allows it to produce female seeds.

So, whatever percentage of your plants are male/female has been predetermined by the genetic code their mother passed on to them.