- May 21, 2017
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I believe you're right, though I've never bred NNs myself.I know y’all can’t see me but I’m doing a happy dance!
This is the info I want and now that I have it I want to study it more, become more versed in it. I definitely am not gonna be a big breeder, but I do want to know this kind of stuff. One thing for sure is to learn about the “barring” gene. It seems to be in many, many breeds.
My NN is a Buff Bowtie.
If you don’t mind, I’d like to indulge you a moment. This is simply for my learning benefit, but definitely tell me if something I’ve said is absolutely taboo (regarding the breeding.)
Since I’m a math person, here goes:
If N/N = Complete Naked Neck and N/n = Bowtie and n/n = Feathered Neck, would the following scenario be probable?
Let’s say my N/n x Welsummer produced a N/n cockerel (possible?) and I bred that said cockerel back to the N/n mother. Would my hatch possibilities be N/N, N/n & n/n offspring? Or since both N/n’s never had two N/N genes there would be no way to produce a N/N?![]()
As for the barring gene, it's sex-linked, so hens have 1 copy and (purebred) roos have 2 copies. 1 copy = darker barring, and 2 copies = lighter barring, which is why barred rock hens are darker than barred rock roosters.
The genetics behind barred rocks and dominiques are rather simple; they're black with barring. That's why black sex-link hens are almost entirely black, because they didn't get the barring gene.
Here's a thread about genetics that you might find interesting:
https://www.backyardchickens.com/th...ulator-huge-task-ahead.1252593/#post-20097120