Atavism, this is impossible. Many people don't know how to say atavism, so there are still many atavism.
If the parents are golden and the baby is black, it means that the parents are impure.
No black golden hair. As long as it is black, it can't be defined as golden hair.
Two black babies born with golden hair can't be flat-haired hounds.
Wool is a rare species now, with few in Britain and almost none in China. Where can we get ordinary hair?
It has happened many times that the golden retriever gave birth to a black baby.
To put it bluntly, it is a string. Coat color can be returned to the ancestors, Labrador is in the blood, it is very simple.
Add a:
A few years ago, golden retriever prevailed and the market was in short supply. Some people are driven by profit. Some puppies are like retriever, and some are like lesbians. In fact, they are all impure. Those golden retrievers are sold and continue to breed, but they all have lesbian genes in their bodies, and lesbian genes are black, so some dogs like golden retrievers may give birth to black dogs, in order to sell them at a good price. There are also people who look up information on the internet and find that golden retrievers have only nine colors. There is no black golden hair, but there is a kind of black hair that is plain, so they think this black dog like golden hair is plain hair. In fact, real plain fur is rare in the world and the price is very high. In China, few people introduced this unfashionable and expensive ordinary wool retriever. The so-called visible melanin hair is basically the situation mentioned above. There is also a giant golden retriever, which is the result of hybridization between a big white bear and a golden retriever. However, some people speculate that the bigger the golden retriever, the better. With people's continuous understanding and learning about the golden retriever, many ignorant arguments have no market.