I agree. My serama rooster was bred with a silkie, and the chicks looked like seramas except for the 5 toes, feathered feet, and the crests on top of their heads.
I agree that the frizzle does look like a mottled chocolate. I have a mottled chocolate hen that is not frizzled, but she looks somewhat like that serama, minus the frizzling, of course!
You can move the poult to the brooder 2-3 days after the other poults that have pipped are done hatching. When I moved mine to the brooder, I just held the poult with both hands and placed them in gently, making sure to show them where their water was by dipping their beaks in for a very quick...
Another indication that can be done is tipping the poult on its back in your hand, and seeing if the poult puts its leg or legs up. If it is a hen, she will tuck her legs in close to her. If it is a tom, he will kick 1 or both legs out. This is 100% accurate, but it gave me an idea for my...