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Color Genetics Section
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The term QUAD denotes that the dog has the genetics to produce all 4 Rare Colors of Lilac, Blue, Chocolate, and Black. Although there are only 3 color genes involved, there are 4 different Rare colors that can be produced from these 3 particluar color genes, thus the term QUAD.
QUAD registered trademark owned by rare Bulldogs is a pending Registered Trademark owned by Rare Bulldogs.
This is a new section for our site. We hope that you will appreciate us sharing our knowledge with you, and also hope that you will share with us, as we are always learning, & improving on our understanding. We will progressively build on this section.

We have been breeding canines in the Rare Colors of Lilac, Blue, & Chocolate for over 30 years. We have 35 years of education in color genetics and breeding behind us and therefore have a deep understanding of how the genetics work in producing these colors in canines. We continue to work with top Geneticists to this day in canine color genetics and learn something new every day.

Although we are very educated in Color Genetics, there is always new information coming out, and sometimes facts need to be adjusted in light of new information & Scientific studies. We try to keep all our info up to date. This is very time consuming, so if you see an error, Please bring it to our attention. Also, Please note that the information we publish is just in part and simplified to the best of our ability so as not to confuse the newcomer. We hope you appreciate our contribution.
If you have questions or suggestions to do with Color, PLEASE converse with us via e-mail instead of calling. We appreciate your understanding that our phone lines are for our Puppy parents and potential customers. rarebulldogs@gmail.com
Official Rare Color Chart for English Bulldogs
NEW! Color Basics Page
Color Genetics Chocolate
Color Genetics Black Study
Color Genetics-Blu Dreams
Color Genetics Black Beauties
Color Genetics-Lilac Passions
Color Tables for Choco & Blue

Color DNA Testing Centers
Color DNA Testing   <<<We recomend UCDavis!