Basic DNA Lessons

COLOR GENETICS BASICS

Credits: Alesia Dixon of Rare Bulldogs

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Geneticists and Breeders have long been aware of several locations of chromosomes (loci), which are responsible for the color patterns we see in dogs. Each locus has 2 sides. Every puppy inherits one copy of each locus from Mom and one of each from Dad. This is true of ALL genetic traits. Each of these loci is responsible for one or more traits, either independently, or in conjunction with another locus. The simple rendition below can be applied to any single loci, such as the B loci.

 

Lets get started! Lesson 1

 

 

 


 

 


 

 


 

 


The simple rendition below is applied to 2 single loci, D & B. You can see how complicated these scenarios can be. Imagine you are dealing with 3, 4, or more!

LESSON 2...showing only 2 of the 81 combination possibilities.