The most likely outcome is black, heterozygous for the recessive chocolate and pink-eyed dilution traits.
Anything else proves that the black mouse was carrying one or both traits - or that the champagne and the black were both carrying something else.
In the second generation of breeding black het choc/pink eyed dilute to the same, you could get:
Black mice
Dove mice (pink-eyed black, they're soft grey)
Chocolate mice (chocolate, they're a rich dark chocolate colour if they're good ones, milk-chocolate if not)
Champagne mice (pink eyed chocolates)
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- Ssthisto
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