Golden Retriever to see how to see pure or impure

How can I tell if a Golden Retriever is pure or impure?　Purebred Golden Retrievers have a broad skull and large mouth with a prominent bone on the head. The coat is golden or cream or wavy, with a tail that runs parallel to the back, the more hair the better. Brown eyes that don’t show the whites of the eyes when looking straight ahead, and small ears that pull the tips of the ears just enough to cover the front of the eyes. 1. A purebred Golden Retriever has a broad skull and a large mouth with a prominent bone on its head. 2. Its coat is golden or cream or wavy, and its tail is parallel to its back. The more fur the better, you can grab a handful of it with your hands and feel comfortable, the fur will return to its original shape after being released.3. The pure golden has brown eyes that do not show the whites of the eyes when looking straight ahead. The eyes capture color depth, large double eye space, and moderate melancholy. 4、The pure golden’s ears will not be too big, pull the tip of the ears, just cover the front of the golden’s eyes. Pure Golden’s ears fold down from the third of the ear.