position:
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".