6 black Jersey giant x white rock chicks, what gender? Could these be sex-linked?

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Well, if they're really sex linked, the males will have a white or cream spot on the top of the head when they hatch, and the females will have solid colored heads. The head spot is part of the barred pattern. So, don't need to go by combs, just go by head color!

Any pics of the "rocks"?
 
Here are the parents - Black Jersey Giant and 2 White Rocks:
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Here are the babies; I tried to get side views, head view and back/wing view. The ones without dots are first:

#1 (red tie)



#2 orange tie



#3 green tie



#4 green / orange tie




#5 orange / orange



#6 red / orange





#7 no band



Here are the ones with dots:

#8 blue tie


700


#9 blue rubber band




#10 green / green




#11 blue green


These 3 are from the Maran roo x buff orp hen:


So, are these sex-linked? Any guesses on the Jersey Rocks' gender?

(I hope the quantity of photos isn't a problem.)

Thanks!
 
I'm still thinking you have sexlinks. The only ones I'm kinda questioning are #4 and #7 with their light colored beaks. When I was hatching Rhode Island Red x Barred Rock sexlinks all of the females had black beaks, the males had the lighter colored beaks. But maybe with your cross it's different?

The barred chicks are definitely males. So the question is whether or not the rest of the chicks are indeed females. You can try PMing "tadkerson," he's knows a LOT about chicken color genetics.
smile.png


Please keep us updated with pictures as they grow!
 
Yes, I think they are sex-linked. But, since there are 2 White Rocks laying eggs, maybe only one of the females has a barring gene? I am trying to learn about chicken genetics, but it's slow. Did I get that right? The hen would pass on the gene only to the males? I don't know if that's right. Anyway, If there are 7 no-dot chicks and 4 dotted chicks, the percentages are a bit off for a 50/50 split of males and females. If 2 of the 7 no-dot chicks are actually solid colored males, then the ratio would be 5:6.

I am thinking about separating the 2 white rock hens and collecting the eggs for a week. If I mark the eggs (and the hens), I should be able to see if it's a specific hen that has the barring gene. (Someone may tell me that this is all wrong, but I'm here to learn.)
 
Oh, and #7 has some very unusual white marks around her eyes -- different from the other chicks.
 
chickenmama22 said:
Yes, I think they are sex-linked. But, since there are 2 White Rocks laying eggs, maybe only one of the females has a barring gene? I am trying to learn about chicken genetics, but it's slow. Did I get that right? The hen would pass on the gene only to the males? I don't know if that's right. Anyway, If there are 7 no-dot chicks and 4 dotted chicks, the percentages are a bit off for a 50/50 split of males and females. If 2 of the 7 no-dot chicks are actually solid colored males, then the ratio would be 5:6.
Click to expand...
Barring is a sexlinked gene, so that is correct.
smile.png


Quote:
Great idea!
 

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