Dominant White covers most or all of the base coat in white.
White spreads up from the bottom of the horse, and some of the base color may show at the topline.
When Dominant White has visible edges, they are usually roaned and grainy, similar to Sabino.

Genotype: W_
Locus:  Dominant White is a KIT gene mutation, along with Roan, Tobiano, and Sabino. A horse may carry only two KIT gene mutations.

• Coat: Dominant White is a white marking.
• Mane and Tail: Mane will be white where marking touches.
• Skin: Pink underneath marking.
• Eyes: Not affected.
• Hooves: Cream where marking touches.

Range:

• Minimum: White that spreads from the bottom of the body and has speckled, roan-like edges, similar to maximum Sabino.
• Maximum: A completely white coat, mane, and tail.

Interactions:

• ❗ Lethal White: Homozygous Dominant White (WW) results in a fatal condition known as 'Lethal White Syndrome.'  If a breeding results in a foal with WW, that foal cannot be born. Slots and items will still be consumed, so plan your breedings with care!