How old are they 3-4 months? They should lose those first molt. I have had adults with a touch on the wing primaries which isn't a disqualification but is a negative trait to try and cull out. I've heard white tips can be either genetic or even stress when the feathers are developing. Don't quote me on that though
Hens go broody when you don’t want them to… and won’t go broody when you do. 