Sex link Mille Fleur d’Uccle x OEGB

TCCL

Songster
6 Years
Sep 4, 2017
181
304
207
Eastern Tennessee
I have a Mille Fleur d’Uccle and OEGB and it turns out their offspring are sex linked. I suspected this for a while but now it is absolutely confirmed. White/light chick = cockerel. Brown/dark chick = pullet
Hooray!
 

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I have a Mille Fleur d’Uccle and OEGB and it turns out their offspring are sex linked. I suspected this for a while but now it is absolutely confirmed. White/light chick = cockerel. Brown/dark chick = pullet
Hooray!
There are many sex linked genes. By which gene is it that you believe you are achieveing this??

How many have you "proven" this with so far?

Sincerity, not rudeness here! :pop
 
Yes, that's a sexlinked cross. Your Mille Fleur d'Uccle is a gold-based pattern, and your OEGB is Silver Duckwing, a silver based pattern. The gene that causes the silver color (basically diluting gold tones to white) is sexlinked and dominant over the wildtype gene for gold color. Hens can only pass sexlinked genes to their sons, never their daughters, so none of the daughters inherit silver while all of the sons do. So since your hen has the silver gene and your rooster does not, you end up with silver male offspring and gold female offspring from this cross. 🙂
 
There are many sex linked genes. By which gene is it that you believe you are achieveing this??

How many have you "proven" this with so far?

Sincerity, not rudeness here! :pop
I free range so I don’t have a “number”. Over the past year of the ones that were clearly mixed, all the whites have been cockerels and all the browns have been pullets. What seals the deal for me now is that the mother and father were in a segregated run together due to rooster bullying so I know 100% who the parents are. I have some eggs by the same parents about to hatch any day now. Will keep posted.
 
Yes, that's a sexlinked cross. Your Mille Fleur d'Uccle is a gold-based pattern, and your OEGB is Silver Duckwing, a silver based pattern. The gene that causes the silver color (basically diluting gold tones to white) is sexlinked and dominant over the wildtype gene for gold color. Hens can only pass sexlinked genes to their sons, never their daughters, so none of the daughters inherit silver while all of the sons do. So since your hen has the silver gene and your rooster does not, you end up with silver male offspring and gold female offspring from this cross. 🙂
Super interesting and good to know! Thanks for the info!
 

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