EntityQ15259690· pop 24· linked from 241 articlestortoiseshellSign in to savetwo-color coat coloring found almost exclusively in female catsConnectionsCatConceptmelaninEntityXY sex-determination systemEntityfeline congenital sensorineural deafnessEntitycat registryEntityUnited StatesCountryInternational Standard Book NumberEntitydigital object identifierEntityinfectionEntityInternational Standard Serial NumberEntityIxodidaEntitypetEntityalbinismEntityluckEntityValeriana officinalisEntityalleleEntityOCLC, Inc.EntityQ180686EntityNatureEntitybibcodeEntityCategoriesCat coat types