The Chocolate French Bulldog
A rich brown coat produced by the recessive b/b locus.
What is a Chocolate French Bulldog?
Chocolate has always existed in the breed but requires both parents to carry the recessive b allele. Two distinct chocolate genes exist — the "testable" b locus and the newer "untestable" Coco (co) locus — which complicates DNA testing.
A warm milk-chocolate to dark-cocoa coat with a brown (never black) nose, brown eye rims, and often lighter (amber or green) eyes.
The DNA behind the color
Two copies of the recessive b allele change eumelanin from black to brown.
Both parents must carry at least one b allele. B/b × B/b produces approximately 25% chocolate puppies.
Chocolate French Bulldog puppies for sale
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Setting the record straight
"All brown Frenchies are chocolate."
Some visually brown Frenchies actually carry the untestable Coco locus, which does not appear on standard b-locus DNA panels.
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