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      that were derived by different methods, for example, gene
      calls derived from different prediction software.  You can
      leave this column blank by replacing the source with a single
      dot (".").</li><br>
  <li><b>type</b><br>
      This column describes the feature type. Although, you can choose anything
      you like to describe the feature type, you are strongly encouraged to use
      well-recognized sequence ontology (SO) terms such as "gene", "repeat_region", "exon",
      and "CDS."  You can find a list of the recognized SO terms at
      <a
      href="http://song.cvs.sourceforge.net/song/ontology/sofa.ontology?rev=HEAD&content-type=text/vnd.viewcvs-markup">the Sequence Ontology Project web site</a>. For
      lack of a better name, the features in the volvox example are of
      type "remark." Another </li><br>
  <li><b>start position</b><br>
      The position that the feature starts at, relative to the
      reference sequence.  The first base of the reference sequence
      is position 1.</li><br>
  <li><b>end position</b><br>
      The end of the feature, again relative to the reference
      sequence.  End is always greater than or equal to start.</li><br>
  <li><b>score</b><br>