Genetics & Genomics How does the agouti gene interact with the extension gene? February 9, 2026 by Riding The agouti gene and the extension gene play crucial roles in determining the coat color of animals, particularly mammals. The interaction between these genes can result in a variety of coat colors and patterns, which are essential for camouflage, mating, and survival. What Are the Agouti and Extension Genes? The agouti gene controls the distribution […] Read more »