Ouch, that sucks man. Even "feminized" seeds have a 5-10% chance to be a male. Although TheAnswer121 may also be correct. A hermie would also help explain a female plant with balls, but I cannot really tell from the pictures.
That sucks man, I grew some bag seeds and like 17 out of 20 turned out female. Just luck of the draw I guess.
They are called pollen sacs not flowers. Put one of Ron Burgundy's buds near it and it will shoot pollen like a porn star lol.