I'm not in agreement with the teeth, the testicles nor the coat. Purebred Yorkies can have one testicle drop only. Any breed can. If you go to YorkiePassion
Yorkie puppy coat color stages within the first two years of maturity - yorkie hair color
Read it all. Sparse thin hair/coat will double and triple in length
Wolly,thin coats do not achieve great length. It is a neat site chock full of info, growth chart too!
A puppy whose coat appears sparse or thin will, as an adult, have a thick, long coat of the correct fine silky, glossy texture. This coat’s growth is like a human’s hair, in that it is born with very little but by adulthood has an abundance of hair, the quantity having doubled and redoubled all during puppyhoor childhood). Both colors will be totally clear. A puppy whose coat appears sparse or thin will, as an adult, have a thick, long coat of the correct fine silky, glossy texture. This coat’s growth is like a human’s hair, in that it is born with very little but by adulthood has an abundance of hair, the quantity having doubled and redoubled all during puppyochildh. Both colors will be totally clear.