Yes, a purebred American Curl can have a shaded calico and white coat.
Yes, a purebred Scottish Fold can have a shaded calico and white coat.
Yes, a purebred Singapura can be black and white in color.
Yes, a purebred American Shorthair can have a shaded silver and white coat.
Yes, the purebred American Curl can have a shaded silver and white coat.
There are some purebred American Bobtail that have a shaded silver and white coat.
Yes, The exotic short hair can have a shaded silver coat.
Yes, a purebred British Shorthair can have a shaded silver and white coat.
Yes, the purebred American Bobtail can have a cream and white coat.
Yes, a purebred American Shorthair can have a cameo and white coat.
Yes, a purebred American Bobtail can have a cameo and white coat.
yes, a purebred American Shorthair can have a blue tabby and white coat.
Calico is a color pattern of the cat that involves mottled orange, black/gray, and white--not to be confused to with tortoiseshells, which have considerably less, if any, white. They are almost invariably female. Breeds and the length of their fur have nothing to do with calico markings.