I'm glad it helped :)
^This bit right here was VERY helpful to me, because it gave me an idea of how much you already knew. That made it much easier to explain.
(Oh, a piece of trivia I don't know if you've found yet: bird sex chromosomes are backwards of mammals. A rooster has ZZ, a hen has...
I think some laced Orpingtons do exist. You might be able to save a lot of effort by starting with them.
Since you have been using the calculator, I will try to refer to the genes by the abbreviation and/or name that the calculator uses.
You probably already know this, but in general capital...