UC Davis School of Veterinary Medicine Veterinary Genetics Laboratory

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The Cream dilution gene is responsible for the palomino, buckskin, smoky black, cremello, perlino and smoky cream coat colors. There are two alleles: Cr and N. Cr is semi-dominant and dilutes red to yellow in single dose (palominos, buckskins, smoky blacks) and to pale cream in double dose (cremellos, perlinos, smoky cream). Cream dilution can have a very subtle effect on black pigment. N is recessive and does not dilute the base color.

Cream Dilution results are reported as:

N/N No copies of Cream dilution detected.
N/Cr 1 copy of Cream dilution detected.
Cr/Cr 2 copies of Cream dilution detected

Note: The test offered by VGL is specific for a mutation in exon 2 of the MATP gene that is associated with Cream Dilution. Other dilution genes or mutations that may produce coat colors that phenotypically resemble cream will not be detected by the test.

Veterinary Genetics Laboratory, Tel 530-752-2211, Email VGL