Color genetics is a long-time hobby of mine, and I’ve written a number of posts about the genes that determine color and pattern in horses. These posts are being reissued with new photographs, so the later dates are generally more complete. I also have an extensive website on genetics and coat color in dogs.

Horse Color Genetics Index

Medim chestnut, flaxen maneThe Basic Colors of Horses 10/31/10; reblogged 9/22/12Wild horses, Morguefile

The Agouti and Extension Loci in Horses 11/27/10; 10/6/12

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Classes of modifying genes 10/13/12

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Palomino (Cream)  Genetics 11/06/10; 10/20/12

Pearl: a Palomino Complication 11/14/10; 10/27/12

.Dun Fjord horse

Dun: a Wild-Type Dilution Gene in Horses 11/21/10; 11/4/12

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Champagne Tennessee Walker stallion, photo credit Valerie Rosadiuk

Champagne: Another Dilution Gene in Horses 12/5/10; 11/10/12

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Silver Dapple Rocky Mountain HorseSilver Dapple – Another Dilution Gene in Horses 12/12/10, 11/17/12

Two Rare Dilutions and a Summary of Dilution Genes in Horses 12/19/10 11/25/12Starn, line, snip and chin spot

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The Genetics of White on Horses 12/27/10, 12/1/12

.Dapple grey, trotting

The Grey Gene in Horses 1/3/11, 12/8/12

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GrazingRoan croppedThe Roan Gene in Horses 1/9/11, 12/15/12

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Other Patterns of White Hair in Horses
1/17/11, 12/22/12Rabicano horse

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TobianoWhite Body Markings on Horses 1/24/11, 12/29/12

.Tobiano horse

The Tobiano Gene in Horses 1/31/11, 1/5/13

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Sabino jumperSabino Spotting in Horses 2/6/11, 1/12/13

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Black and white frame horseThe Frame Gene in Horses 2/14/11, 1/19/13

The Splashed White Gene in Horses 2/28/11, 1/26/13

Lone Ranger andSilverHorse Colors: Manchado and Brindle 3/7/11, 2/2/13

White Horses 3/20/11, 2/9/13

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The Leopard Gene in Horses 3/29/11, 2/16/13Ch leop cr

The Leopard Gene in Horses (Continued) 4/2/11, 2/23/13

Appaloosaa horse.

The Leopard Gene in Horses Part 3 4/10/11, 3/9/13

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The Leopard Gene in Horses 4 4/17/11 3/16/13

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chestnutHorse Color Genetics: Darkening Genes 4/24/11, 4/23/13

Horse Color Summary 1 5/1/11,  3/30/13

Horse Color Genetics, Final Summary 5/8/11, 4/6/13

Other Posts to do with Horses

The Horses of Homecoming 4/17/10
Obstacle Racing (Homecoming Glossary) 6/26/10
A Circus Horse with no Circus 7/11/10
Tourist Trap: What’s It About? 8/16/11

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