Pullets or Cockerels? Looking for a second opinion

[cherrynberry]

Huh? I'm sorry, do you mean if she has two EEs each split to single (which is recessive), she would end up with 25% with single combs?

Both rose combs and pea combs are dominant.

Well, since rose and pea combs are the bases of all other comb types, pp,rr = single comb.

Pp,rr x Pp,rr = 25% single combs

 

[sweaterthebroodyrooster]

Only if you cross 2 EEs who both have one recessive gene for pea combs and 2 recessive genes for rose would you get 25% of the offspring to have single combs.

I don’t know if the chicks are full EE or not.

 

[Katanahamon]

It’s a straight comb

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My WTBs have similar combs, they’re listed as pea, I believe..or do some WTB have a straight comb? Isn’t there a lot of variation within comb classifications? Or is it more strict? So, so much to learn...I don’t understand why some think younger birds are Roos by their red faces, my Cuckoo Marans gals had very red faces quite early..I actually thought they were getting injured!

 

[cherrynberry]

I don’t know if the chicks are full EE or not.

Full EE? Yeah, it would be hard to know what genetic backgrounds they have, but I am just trying to say that to obtain single combed offspring is extremely hard.

 

[EmmaRainboe]

Well, since rose and pea combs are the bases of all other comb types, pp,rr = single comb.

Pp,rr x Ppxrr = 25% single combs

I don't know what you are trying to say.

PP = homozygous pea
RR = homozygous rose
Pp = heterozygous pea
Rr = heterozygous rose
pp = single
rr = single

Pp x Pp (two EEs split to single) = 25% PP (pea) 50% Pp (pea) and 25% pp (single).

 

[cherrynberry]

I don't know what you are trying to say.

PP = homozygous pea
RR = homozygous rose
Pp = heterozygous pea
Rr = heterozygous rose
pp = single
rr = single

Pp x Pp (two EEs split to single) = 25% PP (pea) 50% Pp (pea) and 25% pp (single).

Sorry, I thought that there are 4 genes regarding combs? Is that not right? 2 in each chromosome.

So yes, EEs split to single.

 

[EmmaRainboe]

Sorry, I thought that there are 4 genes regarding combs?

I *believe* there is P, p, R, r, D^r, d, Bd, and bd.

But do not quote me on that. I have not researched duplex combs, nor breda combless very much,

 

[Painted Calls]

You sure? Looks more like a modified pea to me.

Looks like a modified pea to me too.

 

[cherrynberry]

I *believe* there is P, p, R, r, D^r, d, Bd, and bd.

But do not quote me on that. I have not researched duplex combs, nor breda combless very much,

Thats very interesting...thanks!

 

[sweaterthebroodyrooster]

I ended up selling all of these birds, but I’m close friends with their new family so I have an update.

I have three two and a half months old mixed breed chicks. I have sexed them myself a few times. But I’d like a second opinion. Here are the first two

Bird one
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This guy turned out to be a Rooster.

Bird two
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Bird three pictures coming soon

Bird three
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And these two laid their first eggs a few days ago!