Genetics in regards to phenotype(physical characteristics) is a toss up in humans let alone in dogs. If you want a Black/Tan your best bet would be to find a Black/Tan male who has those colors dominate in his bloodline.
If you choose to breed her with a black/gold you could recieve a mix of adult colors in the litter, all black/tan, or all black/gold. Whichever is dominate within the lines which are reproducing. The only place where I know there are predominately black/tan yorkies is Brasil. |