Hermie or something else?

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Hey guys, I could really use your help on this; it's my first grow and I dunno if I'm freaking out for no reason or not.

Set up:
1x no-name bag seed
2x Jock Horror
3x Northern Lights
3 weeks into flowering
600 watt HPS
DWC hydro set up

If you look at the last pic I uploaded, what the hell are the bulbous things? I already had one mid go hermie, did this girl do it too? :/ It looks different though; did it get pollinated by the other herm? Or is it something stupid that I shouldn't be freaking out about?

Also: can I harvest in batches? These girls are starting to get outrageously tall and the main colas on the NL look like they're going to be ready for harvest sooner than everyone else. Can I just chop off the tops to expose bottom branches and let those keep growing?

(All the pics are of the same girl, one of my JH.)

Thanks, guys!

Congrats, looks like you have feminized hybrid seeds coming :) Don't worry about it, let them grow out, harvest them, and use them (if you choose)

You can harvest in batches, but make sure they're ready to be chopped first.

Hahaha. I guess that'd be why I had no idea what they were; I've only ever worked with feminized seeds. Is there any risk involved with having a pollinated female around the other girls?

Thanks rdr!

No, but the problem with pollen sacks is if you don't get to them quick, that crap gets all over. Make sure you check your plants thoroughly during harvest and curing for seeds, and scrub that room down, lights, ceilings, walls, floor, everything (just with water or vinegar) to get rid of the rest of the pollen. I'm POSITIVE if you have found this one, there are a few rogues around that you haven't seen yet.