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Originally Posted by Wrenee4  A F1 puppy is a Biewer/Yorkshire cross. The first cross is called an F1 and is usually the traditional Yorkshire color. The puppies carry the pieball gene. I have never seen an F1 in this color. Perhaps others could help? |
What about F2 (if there is one)? Is it when 2 carriers are together, a traditional and carrier is together, or when a carrier and biewer is together or something else?