{A serious exception to the sound masking with the tabby pattern exists, as the O allele in the O/o locus is epistatic about the aa genotype. That's, in purple or cream colored cats, tabby marking is shown regardless of the genotype with the agouti locus. Also called the Blue Mackeral https://sethentdn.affiliatblogger.com/86079469/detailed-notes-on-health-lifespan