There is no predicting which genetic traits a mixed breed dog can and cannot have. They may have any mix of facial features and any type of build. A mixed breed may have a coat that is short, long, straight, wavy, curly, and any type in between. Because the appearance of a mixed breed dog is unpredictable, avoid assuming that a dog is a mixed breed based on appearance alone. Keep in mind that though a mixed breed may have any combination of features, many have less exaggerated features than ...