To the OP, a google search shows up detailed gold genetic information available through Sue White. She has a facebook page you might want to look for where there are discussions on different coloring in yorkies.
Google also reveals Pinehaven's site to contain info on wanting to educate others in the different coloring of the yorkshire terrier. She has info quote from Sue White on her site and might also be a good person to contact for info about this topic (as directed by other posters).
Dr. Bell of Tufts School of Veterinary Medicine has done work in the field of canine genetics (including the yorkshire terrier). He has spoken in seminars for the YTCA. You may also want to look into his work. |