2.3 C Locus

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The C locus is generally referred to as the "colour" locus. Located on chromosome seven, it is a dilution locus. There are a wide variety of genes on the c locus, who's effects range from complete absence of pigment, to reduction of specific pigments.

The genes at the c loci are all co-dominant, the dilution effects combine in different ways to produce a variety of phenotypes.

Dominance
C
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2.3.1 C — Full Colour

The dominant form of this gene does not dilute the colours in the coat.

2.3.2 c — Albino

One of the oldest known variants in fancy mice, the albino has a distinctive white coat and red eyes caused by complete absence of melanine in the pigment cells. This gene can "hide" other colouration and/or marking genes as the lack of pigment is epistatic over all other pigment-based genes.

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c^a
c^ch
cⁱ
c^e
c^h
c^r

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