Occlusion expresses in a patchy pattern.

It turns off one or multiple genes, and can turn of one or two copes of genes that expresses differently when homozygous versus when heterozygous (like cream or merle).

Importable: [Rarity: ]

First Released: in January 1970, contributed by


Genotype(s) and Combination Genotypes are importable, Carrier Genotypes are not importable.


Example Gallery