Colloidal silver should give  99% feminized seeds. Google how. 
- Genes will be close to the plant you make pollinate itself, tho there'll be outliers, it won't be as perfect as if you clone a plant.
Just, do not smoke the buds afterwards.. Like, seriously, do not do it.. Don't use the plant  to mix in soil for the next grow, don't use any of it for anything.. Get rid of everything that isn't a seed.
- Seeds will be fine tho.