Makes sense. I sure wish that our cuckoo d'Anvers are silver based. You get leakage in ours. And our black d'Anvers because of a totally unnecessary quail crossing in the background of a couple of my blacks with better type. It's coming back to get me. I guess if I had another black rooster the hen (which is related to the rooster but shows no leakage) could have been bred with so red leakage didn't show up. I did have another black I was breeding with the male showing leakage.Let me go through it. Its really a simple one.
Cuckoo is the same gene as barred so barred works the same.
Only difference is cuckoo is barred on a fast feathering bird. The feathers grow faster so the barring isn't as clean and crisp looking.
So I'll just use the term barred since most people know what barring is.
Barring is just a gene. It can be put on lots of colors/patterns.
I wanted to add the barring to the silver duckwing pattern.
Of course that takes a silver duckwing bird and then a bird with barring.
Barring is sex linked (I think most understand how that works) so I put a barred rooster over silver duckwing hen.
Both patterns are silver based (in my project) so everything is going to be silver so no dealing with gold.
Barred is on extended black and duckwing is on wild type.
The F1 offspring are silver based with one copy of extended black and one copy of duckwing. The females are barred and males have one copy of barring.
Now I just crossed the offspring together.
Each parent has the opportunity to pass on the extended black or the duckwing.
The males have one barred gene and one nonbarred gene. So they have two choices of what gets passed on there. Barred or non.
The females have barring but they can only have one or the other if they have barring they're barred if not then they're not barred. They pass barring to all their sons but don't pass a gene to their daughters since its sex linked.
So the offspring have a 25% chance of getting two extended black genes. 25% chance at getting two duckwing genes or 50% of getting one of each.
So pullets can be black, black with barring, duckwing or duckwing with barring.
Cockerels can be single factor barred , double factor barred, single factored barred or double factor barred.
Now of course the blacks and the barred are going to be split between the ones that are true with two extended black genes and the ones that appear black but carry one wild type gene.
Make sense? Anyone that got lost let me know and we'll backtrack and get it straightened out.