There are many toy breeds. Yorkies, poodles, shih-tzus, and Maltese are toy breeds, and there are a few more i am sure.
No, a dog that is a toy breed has to reproduce with a dog of the same breed. This means that they will produce the same breed of dog. And not a dog out of the toy column.
The Russian Toy Terrier is a very small breed of dog. This breed only weighs six pounds when fully grown.
Toy dogs are the smallest of their breed. For example a Toy Poodle is simply a poodle (breed) that is very tiny. For each breed there is a height/weight that they need to be under to classify as a toy
papillon
BICHON FRISE
Just by having a chihuahua you have a toy. Toy is the chihuahua's breed classification. A chihuahua is a toy breed of dog. Some chi's are bigger, some smaller...but all are toy dogs.
Black toy poodle
POMERANIAN
Yes, it is a terrier-like toy breed of dog.
The Chihuahua is the most popular breed of toy dogs. The second most popular toy dog breed is the teacup yorkie.
Shitzu dogs are classified as a Toy Breed.
A maltese, toy poodle and a chihuahua