Amnesia Haze Auto (Nirvana)

It's been about 10 days since I last posted. I transferred AH to larger pots and will transfer once more once the BM are cut. One of the AH has been developing quicker than the other so I have started LST on it to see if the lower stems will grow in stronger. The Blue Mystic I thought would be closer to harvest right now but I think they still have a good 7-10 days on one and 10-14 on the other. I didn't track their progress early and don't recall when they sprouted but I was thinking they were about 70days old but after reviewing, I think they are 60-65 days. I'm getting anxious with them but I'm confident my patience will be rewarded! I could use some feedback on something that bothered me the last couple weeks. The space has smelled earthy, almost like a damp basement when I first open it. I was worried it was mold or mildew so I've made sure everything is clean and dry and I checked all the plants, flowers, and dirt and no signs of mold. My humidity has been low too. The BM that is 10-14 days out has a milder and earthier smell than the other BM and BMs I've had in the past. I separated it in another room and after about 30 min I checked on the grow space and the smell was gone and it smelled sweet like the BMs I've hadn't in the past. I checked on the other room and it was that earthy smell. I re-examined the plant and everything looked fine and didn't smell moldy close up. So should I be worried or is it just a plant with more recessive traits? I'm going to keep the yields separate just in case but feedback would be great. I have a 3rd BM that is a couple weeks behind the others and I've found bananas on her right at the top. I'm guessing light is too close which triggered them. I've cut the top bud but im concerned it self pollinated and it could cross pollinate the more mature ones. Thoughts on if I should completely remove her and cut my losses or give her time and see? Since this is a feminized auto, i know it has hermie traits in the genetics but this is the first time I've seen naners on a plant and this has been a stable environment so a little surprised by it.