Trait overview

Blue eyes and two different-colored eyes, called heterochromia, is a trait more commonly seen in breeds such as the Siberian Husky. The ALX4 gene, which plays an important role in mammalian eye development, has a recently discovered association with blue eyes and heterochromia in Siberian Huskies.

Gene name(s)

ALX4

Inheritance

Possibly autosomal dominant

More common in the following breeds

, non-merle

Citations

https://pubmed.ncbi.nlm.nih.gov/30286082/