Administrator & LOTR Addict
Join Date: Apr 2000
Location: Bloomington, IN, USA
In the first litter, sire, a black/tan, must carry the black recessive in order to get black puppies. Obviously he passed on his b/t gene or his black gene to a mixture of the puppies. The dam, being black, could only pass her black gene.
In the second litter what you discovered is that both the dam and the sire also carry white. White is found on a different allele and is recessive to colors. Since white is more of a blanket covering the dog's true color and not really a color in of itself, how the pups will produce in the future will depend on what other genes they inherited. The white pups could be b/t or black under the white blanket. Sire must also carry black. The fact that you didn't get any b/t in this litter is just due to a roll of the dice.
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SG1 Deja IPO3 AWD1 KKL1 B/HOT, SG Elena IPO1 KKL CGC B/HOT, LB (the ugly little sable) IPO2 KKL B/HOT, and gone but not forgotten, Vala SchH3 AWD1 FH2 CGC B/HOT, Donovan IPO1 TR2 AD, Nike SchH1 OB1 TR3 AD CGC HOT, Treue SchH3 CD CGC HOT