yes... there are many strains regardless of brand or breeder (some just have a higher genetic disposition than others) which have the tendency to herm... and here is a couple of reasons why... when breeders breed in bunches as in "fields of plants freely spreading their genetics around... they are used to having males around them...
so the females get pollinated early and have much less reason to add on the other gender...
some though still if not pollinated to their liking, still throw a banana in or two anyways, and that pollen gets spread with all of the rest and that genetic info was just spread as far as the wind will take it, then after years of this... the trait has had its chance to increase...
like i said before if taken the time (not really that much effort) to sort out the good phenotypes then your chances of hermies will greatly reduce and you can get some excellent phenos where you get great plants with high thc high yield, and a negligible chance of the beans becoming hermies...
and of course just keep cloning the mother
and only roughly 1/1000 generations of clones will ever hermie on you
just be sure to pay attention to the ones that after a long while start to throw 1 or 2 bananas and just "slightly" hermie AND DO NOT take their seeds and plant them and "allow" them to continue their genetic traits...
you want to turn "natural selection" into "controlled domestication"...
otherwise you will have a long line of issues where the trait becomes more and more dominant and instead of just a "few" bananas, you'll get half and half where its full blown hermaphroditism...
when males disappear your chances of hermies goes up... when stress goes up your chances of hermies goes up... there are alot of factors that can bring this out in any strain...
the ones that are more "stable" are the ones whose genetic variation has not had time to be "forced" or "allowed" into hermaphroditism so to speak...
again its all due to the genetics that have developed in the lineage over time, as all cannabis varieties all have the capability to, as a female, to grow pollen in an attempt to continue its "life" in a maleless environment so to speak...
just as a quote from the movie jurassic park where jeff goldblum said... and its true... life does really find a way...
and why the hell not...
spaghetti