Well, I've seen chocolate golden retrievers before. They aren't very common. Your vet may be able to tell you what breed that the puppy is. If not, I'm not sure. Just try to consult with your vet.
A mutt
yes we can have a black puppies when the mom was breed with another golden retriever
Mutts.
Puppies.
yes
You never know - could be golden/yellow, chocolate, or even black. These are two different dog breeds.
six
They are born with fur.
mutts
its going to be ugly
One, but it is extremely rare.
4