Originally Posted by del...
1. no, besides there's no way you can tell which are which. there are no 'sex types'.
2. no idea what you're talking about but sometimes leaves are varigated (striped) but means nothing. once again, can't tell sex until the plant matures further...usually 5-8 weeks old.
3. plant as many as you have space for to better the chances of getting a female. 1 or 2 will be good for experience but if you expect any kind of harvest at all you'll need a couple females. plant 10 and hope and pray for 2 nice females.
go through the archives and read up on the basics...