ELI5: Explain Like I'm 5

Equine coat color genetics

Have you ever seen a horse with a different colored coat than other horses? That's because horses have different genes that control their coat color. It's like how you and your siblings can have different color hair or eyes. These genes make up the horse's DNA, which tells the horse's body what color to make their hair.

There are many different coat colors for horses, like chestnut, black, and bay. But did you know that some horses can even have spots or stripes on their coat? This is because of another gene called "pinto" or "paint." This gene causes patches of white to show up on the horse's coat.

The color of a horse's coat depends on which genes they have. For example, a horse with two copies of the "Chestnut" gene will always have a chestnut-colored coat. But a horse with one copy of the chestnut gene and one copy of the "Black" gene can produce foals (baby horses) that are either chestnut or black.

It can get even more complicated when we start talking about "dilute" genes, which can make a horse's coat look lighter or more muted. These dilute genes come in different forms, like "palomino," "buckskin," and "cremello."

Overall, equine coat color genetics are a complex and fascinating topic that has to do with the DNA that makes up each horse's unique appearance.
Related topics others have asked about: