The Agouti Locus - A

~~ "a^y", 'sable' - also known as 'dominant yellow' or 'golden sable'. This results in an essentially red/yellow phenotype, but the hair tips are black (eumelanin). The extent of the eumelanin tip varies considerably from lighter sables (where just the ear tips are black, called "Clear Sables") to darker sables (where much of the body is dark, called "Shaded Sables"). Of course, sables do come in different colors. If the sable is a chocolate as is the one shown just below, the nose and eye pigment is brown and the tips of the hair shaft will be brown not black.

Below a blue sable (left) note the blue nose and a normal shaded sable (right ) note the black nose.

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