Scottish Shorthair - Blue & White is dominant to American Shorthair - Silver & White Tabby
Ertha is the baby of a Scottish Blue & White and a Silver & White Tabby, she shows the Scottish.
She bred with Snickers an Ocicat Chocolate known to be recessive to both Scottish Blue & white and Silver & White Tabby, their baby was a Silver & White Tabby therefore that is Erthas hidden fur making Scottish Blue & White dominant to Silver & White Tabby, giving us a range of just 4 furs.