The ‘D’ allele is dominant, and if existing always ends in a sound coat colour (non-dilute) regardless of whether the 2nd allele during the pair is actually a ‘d’ or not. Could it be that, as well as other versions such as brindle that often appeared, Silver Labs existed this https://frenchbulldogforsale31740.develop-blog.com/46598961/an-unbiased-view-of-pet-turtles-for-sale