Quiz four:

"How can I find out what other genes my albino mouse carries?"

Answer: You can find this out by test-mating your albino. According to Tony Cooke, the best variety to do a test-mating with is one with aa bb dd pp - that is the pink-eyed Lilac. This isn't normally very easy to come by if show champagne isn't popular and actually does take a few generations to breed... Anyway, pink-eyed lilac is the best variety to test mate an albino.

If there are Blacks in the litter, the c/c mouse has a, if there are Agoutis, it has A/*, if there are Chocolates - a/a b^c/*, if Cinnamons - A/* b^c/*, etc. If there are Reds, the PEW isn't an albino at all, but a c-locus dilute Red.

This test doesn't reveal whether the mouse tested is one of the c-locus heterozygote mock albinos, though. Finding that out would require a known c-locus recessive heterozygote. Siamese Seal Point would fit fine.

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