Hey, yes that can happen, it's mainly the shape of the bud you'll get, it will fill the branch. But your plant is beautiful, I checked your diary. Don't panic, just wait, and if it gets very dark, it's the nitrogen it's absorbing.

Looks like a bit too much nitrogen to me.

Autos are poo, you can't keep moms, they are pretty unstable genetically. They're at least 30% something other than cannabis and if you insist growing them, you'll always be subservient to someone else's ability to provide for your seeds . At larger they separate you from your own ability. I would finish those up and move forward with regulars and feminized seeds.sometimes we have to lose to learn