Sabino is a dominant gene, producing a irregular white pattern on the coat. It can be affected by the W20 gene, producing a horse with larger white areas. The gene is found on the KIT locus with tobiano, roan and W20.
| Genetic Panel |
| KIT |
| Sb/Sb Sb/n or n/Sb Rn/Sb or Sb/Rn To/Sb or Sb/To Sb/W20 or W20/Sb |
| Patterns | |
| Minimal Sabino | Moderate Sabino |
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| Medium Sabino | Classic Sabino |
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| Extensive Sabino | |
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