If the strain is normally fine, and you intentionally stressed the lady into nanner production...seeds will be femmed seeds, worth their weight in gold to many gardeners.

However, if you did not stress her, and she started throwing-off nanners...it's considered a hermie, and you likely shouldn't use those seeds. Even tho the seeds will be female, it has passed the hermie traits on to the seeds, which will always give you grief.