What is carried on the 'W' gene?

[nicalandia]

There is also chocolate (choc) and inhibitor of dermal melanin (Id) and slow feathering (K)

sex linked dwarf

 

[Poultry Friend]

There is also chocolate (choc) and inhibitor of dermal melanin (Id) and slow feathering (K)

Ok! Thanks! Chocolate is not listed on http://www.edelras.nl/chickengenetics/linkages.html So it is on the Z chromosome as well?

How will Id and slow feathering effect color?

 

[Sonoran Silkies]

Yes, choc is sex-linked, so it is on the Z chromosome. The linkage chart does not list all known genes. The gene naming terminology used by scientists in mapping the genome and the gene naming terminology used by poultry breeders is not the same. For example, the E locus is MC1R (4th column). Note how many of the DNA sequenced names are not filled in...

http://www.edelras.nl/chickengenetics/mutations3.html will give a more complete list of genes. Look through the rest of the site for TONS more information.