The Administrator from the Great White North, eh?
Join Date: Jun 2006
Location: Northern British Columbia
The white color comes from a masking gene on a different locus (not sure if I'm using the term correctly) than the colour genes. White dogs carry "normal" colour genes in addition of the two copies of the white masking gene, in which case the white is expressed, and masks the colour that the dog would have shown if not for the white masking gene.
So if you breed a black to a white, it will all depend what colour gene the white dog has. It could be sable, or black and tan, or solid black, and the colour of he pups will reflect the inheritance of the colour genes the white dog carries. If there are white dogs in the solid black's background, the the black dog may be carrying one copy of the white masking gene too, and if that is the case, then some of the pups may be all white. If no white dogs in the background of the black dog, then there won't be any white pups, though some may be carriers of the white masking gene and may produce white dogs if bred to a white or a coloured dog that carries the white masking gene.
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Keeta BH, OB1, TR1, AD
Rottweiler/Hairy Dog mix?? 2004-2015