It'd probally be a worthy experiment to take some dutch passion (or other expensive breeder) seeds, and to produce f2's. (Maybee after the harvest leave a few lower/smaller buds and pollinate them).
Then to take say that f2 and set up a grow with the f2's you made and to throw in nirvana genetics of the same strain and see if they perform similar...... Looking for things like, lots of different phenos, slow growth, and vigour....
That'd definately be a good experiment and it might prove my theory right or wrong......
I'd do it, but I don't want to grow to experiment, I want find what works, stick with it, and smoke the best.... still I'm curious.