Had a blueberry auto throw seeds on me I didn’t see any nanners maybe I missed itGSC is a Durban poison based cross. It is known for hermaphrodidic instability. Some do... some don't.. its genetics. When running something that has herm in its gene's, you need to be on constant watch for a random pod or nanner to pop.
I spend a ton of time digging in the genetics before I pop a seed. Its unfortunate, but many of the "big name" strains will have the trait. Gorilla glue, anything with blueberry in it, gelato and the gsc line. Many more as well.