Genetics Question-bear with me

KelsiNS

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Okay, I breed rabbits, so I'm going to try and say this in terms that make sense to everyone, using examples of rabbits.

For example, if I breed a Black rabbit to a Blue rabbit-it works the same as breeding a Black Swedish to a Blue Swedish-blue is bb and black can be Bb or BB-meaning you get a 50/50 for each duckling of being blue, or at least carrying blue.

BUT if I breed, say, a Broken (spotted) Blue to a Chocolate, I can wind up with Lilac, Chocolate, Black, or Blue, and each baby has a 50/50 of being Broken (spotted).

Now, for my question with the ducks. I have Roens-3 hens and 1 drake, Swedish, both drakes, 1 crested black and 1 blue,one khaki Campbell hen, one Pekin hen, and one Cayuga hen.

To my knowledge,everyone is laying eggs and my three drakes all seem to be doing their jobs. Here's where im getting confused.
No matter what egg I incubate, I get Roen markings. We have ended up with 3 Swedish, 2 blues and 1 black, out of the 40-something eggs I have hatched so far.

So, breeding to a Roen (either Swedish x roen hen or roen drake x khaki, pekin, and Cayuga) yields Roen markings most of the time (also considering several are bound to be full Roen).

So is all white, like my Pekin, or all black like my Cayuga recessive? What about my Khaki hen-will it start to produce lighter markings, or more tan?

Does anyone have a genotype list for ducks and their coloring?
Does anyone have pictures of some of their ducks of any of these crosses:
Roen x Pekin
Swedish X Pekin
Roen X Khaki Campbell
Swedish X Khaki Campbell
Roen X Cayuga
Swedish X Cayuga

To make things even more fun, I have a duckling assortment from Murray McMurray, plus a few Welsh Harlequins, Magpies, Runners, and Buffs coming in a few months!
 
Check out "understanding Basic Color Genetics" under sticky thread on ducks. You'll get substantial amount of information
 

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