It’s a gene that causes the dog’s coat color to be more diluted than it would be otherwise. So, a chocolate dog with the dilute gene becomes fawn (or Isabella) in color, a black dog becomes charcoal or silver, and so on.
The English Cream – also known as a Clean Cream because of its full-body single color – is more highly valued than the Irish Cream. That’s not because it’s rarer or more special in any way – breeders and experts