Why do most dogs have brown eyes?

Introduction: The Mystery of Brown-Eyed Dogs

Dogs come in all shapes and sizes, but one thing that many of them have in common is their eye color. Brown is by far the most common eye color in dogs, but why is this the case? Despite decades of research on dog genetics, scientists are still unraveling the mysteries of why dogs have the eye colors they do. In this article, we’ll explore some of the factors that contribute to eye color in dogs and what it can tell us about our furry friends.

The Genetics of Eye Color in Dogs

Like many traits in dogs, eye color is influenced by genetics. Most dogs have two copies of the same gene that controls eye color, one inherited from each parent. There are two known versions of this gene: one that produces brown eyes and one that produces blue eyes. However, the gene is not always straightforward, and there are many other factors that can influence eye color.

Why Brown is the Most Common Eye Color

Brown is the most common eye color in dogs simply because it is the dominant gene. If a dog inherits one brown eye gene and one blue eye gene, it will have brown eyes because the brown gene is dominant. However, there are some breeds that are more likely to have blue eyes or other eye colors, such as Australian Shepherds and Huskies. This is because these breeds have specific genetic mutations that affect eye color.

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