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Understanding Horse Coat Color genetics

Not everyone understand why the race horses have different colors or why when horses interbreed, the offspring is different or when a prime horse has different shades of colors?

These are the many questions that many horse racing fans bring up and its only when one is actually involved in the breeding process that one can determine the colors of the horse involved.

Each color has its own gene combination and it is the isolation that brings about the color desired. Sometimes race horse owners tend to choose a lucky color for the horse and have it raced afterwards. Having a prize horse and having it on a specified color is quite expensive to do.

Brown Most race horses are a dominant brown shade or color. Brown horses normally have a parent that is of the darkest black or brown. Brown horses are unique for they have a gene that can be used to produce a potential black horse. Similarly, a black horse can also produce an offspring that is also black in nature. To have a drown shade color, the horse must be a "homozygous" brown, meaning it carries a black gene and have black points within. Any parent horse that possess these can produce horses of black color a horse with another color that has the points within.

Roan genes have the possibility of existing and some brown horses may carry a gene that is not as pure as the original. The result is usually a horse that has a leather-type buckskin color. Dilution of the genes goes further when the horse carries genes that have been watered down or below 50 percent pure. As the gene is watered down, the horse tends to adopt a creamier color or have spots that may litter the skin.

Black

Black horses are the product of parents that are black, brown or have pure genes, and are not diluted in any way. Blacks are known for having 2 genes, one is active and the other recessive.

The successful breeding of two black parents with pure genes always results in a black colored horse. If one parent is pure and the other has no points in the genes, there would be a profusion of black spots on the horse. Some horses are sometimes interbred with diluted genes and the blackness of the horse may turn into dark brown during bright days. This not pure black but a slightly watered version.

Palomino

This type of colored horse has signs of a skin color being diluted with genes that are not pure and bred with a parent that has a gene also of not pure black. The color of the palomino is already a given if any of the parents are palomino in origin. There is no way to un-produce the palomino effect unless pure genes are used on the onset.

Buckskin

A buckskin tint is a mix of a special gene called the agouti gene mixed with genes that have a palomino gene mixed in. The buckskin is normally produced if a buckskin parent breeds with a palomino or both are buckskins to begin with.

With all the type of horse racing going on, one can actually make a side bet on which colored horse is the best winner in a series of races. The odds of the bet may be high but it may spark interest of die hard horse betting fans.