Colour Gene C - Cchl - Cchd - Ch - c
The colour gene, which controls where and how much colour will be expressed rather than which colour will be expressed, The first complication is that there are more variations of this gene than of most colour genes. Another complication is that some genes are incompletely dominant over others. But in spite of its complications, genes at the C-locus is one of the most fascinating to work with.
The Full-Colour Gene — The full-colour gene is expressed anytime it is present. There are five combinations of genes that will cause a rabbit to be “full color.” A full-colour rabbit may be “C-C,” “C-cchd,” “C-cchl,” “C-ch,” or “C-c.” In full-colour rabbits, the color is not restricted to a certain part of the rabbit, but it spread over the entire rabbit. Other genes, such as the ee genes may cause a shaded look in a full-colour rabbit, but the color restriction is not due to the “C” gene in that case.
aa.BB.CC,DD,EE Black self
AA.BB.CC,DD,EE Chestnut Agouti
The Chinchilla Gene — The Chinchilla gene (cchd for chinchilla-dark) will be expressed if paired with any gene but the full color “C” gene. Chinchilla rabbits can be either “cchd-cchd,” “cchd-cchl,” “cchd-ch,” or “cchd-c.” When the chinchilla gene is expressed in rabbits, you generally find white or pearl fur where the full-colour rabbit has more yellow in the fur. The cchd gene causes the yellow pigment to be reduced. For example, an orange rabbit differs from an ermine (frosty or frost point) only in that the orange is a full-colour rabbit and the ermine expresses the chinchilla gene. Once the yellow pigment is eliminated from the orange, only the pearl remains.
AA,BB,cchdc,DD,EE Agouti Chinchlla
The Sable Gene — With the sable gene (cchl), we find a slightly different situation than with other genes: incomplete dominance. With other genes, if you pair them with the same gene or one of lower dominance, that gene is expressed. With the sable gene, a pair of them together has a different result than the sable paired with a colour gene of lower dominance (e.g., “ch” or “c”). Two sable genes produce a dark sepia color that is almost black, called “seal.” These seal-coloured rabbits are “cchl-cchl.
The sable gene removes yellow from hair shafts and removes some of the darker pigments, giving a Lop a shaded look (again, this shaded look is different from the shaded look caused by ee genes). Leaving seal rabbits to their own colour family, sable rabbits are either “cchl-ch” or “cchl-c.”
This gene is sometimes called the “shaded” gene, though “sable” is a more correct term because shades such as torts do NOT have the sable gene.
more detail explanation http://www.barrowbunnies.com/the-sable-gene.html
Frosting and Snowballs http://www.barrowbunnies.com/frosted-and-snowballs.html
aa,bb,cchlc,dd,ee Blue Seal point
aa.BB,Ccchl,dd,EE - Blue aa,BB,cchlc,dd,EE Sable
The Himalayan Gene — Himalayan rabbits have even more of the colour restricted so that only the muzzle, ears and feet (the points) show the rabbit’s colour. The rest of the fur is pure white. Thus, Himalayans are also called “pointed whites,” “Californians,” and “AOV” — depending on the breed. Himalayans come in just two genotypes: “ch-ch” and “ch-c.”
aa,BB,chc,DD,EE Himilayan
The Ruby-Eyed White Gene — Ruby-eyed whites (REWs) are (surprise!) white rabbits with ruby eyes. There are 24 main varieties of REWs (not counting Es and Ej genes–or countless other modifiers) because two “cc” genes together negate whatever the other four genes are contributing to the rabbit’s coat colour. All colour is erased from the fur and eyes. Ruby-eyed whites are not genetically related to blue-eyed whites at all. The REW gene is the most recessive on the c-locus.
aa,BB,cc,DD,EE Ruby / Red eyed white