Note: if you would prefer to get DNA for features of a particular track or table, try the
Table Browser using the output format sequence.
Note: if a feature is close to the beginning or end of a chromosome
and upstream/downstream bases are added, they may be truncated
in order to avoid extending past the edge of the chromosome.
Note: The "Mask repeats" option applies only to "get DNA", not to "extended case/color options".