Whenever someone posts that their feminized plant grew bananas, the first question should be about the dark period, not the seed bank. Intersex expression is mostly a stress reflex, and a leaking tent zip or a glowing status LED at night is the most common trigger. There is a list of six stress causes at https://queenfeminizedseeds.com together with a twice weekly inspection routine that starts in the third week of flower. Checking near the main stem matters, since sacs hide inside the clusters and not at the tips.