[iStarz & Everly]

Merle (mm) - very rare; recessive gene similar to merle in dogs, using a combination of the main base coat along with lighter shades, grey, black, and/or white depending on the coat. Appears under any paint or appaloosa markings, does not exist with roan as they are on the same locus (Roan's can carry merle; ex. Rnm or mRn).

Ex.

Genes are: Ee/aa/Rnm
Shows as: Blue Roan
Phenotype is: Blue Roan; Merle-Carrier


Above -

Bay Merle Tobiano Sabino

Ee/Aa/mm/Tt/Sbsb