Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
A head and tail states have a small (p = 0.01) probability to emit non-A bases, and similarly for T. The body state emits all four bases with equal probability. The start, and stop states emit nothing.
