This locus is called the reverse yellow locus, but we know it as cream. Cream is the most dominant gene in the Frenchie color pool if two copies are present in the locus “e/e.”. If a dog carries two copies of cream at the E-locus (e/e), the dog will be completely covered in cream no matter what color or pattern it carries. In most cases, if a dog carries one copy of the cream gene (E/e), a slightly lighter coat can be noticed on whatever dominant color the dog's coat is. So, for example, if a dog is blue (dif/d) and carries one copy of cream (dif/d E/e), the dog will sometimes appear a little lighter blue compared to a dog that carries no cream. If a dog carries two copies of cream on a blue dog, so it’s (d/d) (e/e), the dog will be completely covered in cream.
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