is to control the color and turquoise (aquamarine) eyes: the Tonkinese breed. Color | Karyotype | Usual eye color ----------------------+--------------------------+---------------- natural mink | blblooD* C*aa** iissww | sbl cream point | **OOD* C***Ta* iissww | org fawn tortie | b*Oodd C*aaT* I*ssww | org amb true red | **OOD*