It is the same code as the narwhal's other tooth, however, none on WikiAnswers can provide the exact answer that you are seeking, for no one has mapped out the DNA of a narwhal yet.
The tusk is rare and difficult to obtain.
It is a tooth, not a tusk, and scientists have not yet discovered what it is for.
It depends on the size.
It would depend on which creature you are referring to. Possibly the narwhal has the longest tusk today
Narwhals don't have a "tusk" the facial horn is actually a tooth that has grown through the lip.
The whale that has a distinctive tusk is a narwhal it is native to the arctic ocean
The tusk is rare and difficult to obtain.
It is a tooth, not a tusk, and scientists have not yet discovered what it is for.
Ivory.
ivory tusk
by eating
The Narwhal has a horn. Horse Isle Quiz- Narwhal.
believe it or not, a narwhal's tusk is only 3 inches.
WALRUS! or... NARWHAL!
The Narwhal has a long ivory tusk.
Not braided, but twisted
It depends on the size.