Developers Alexander Griekspoor and Tom Groothuis, who go by the name Mek & Tosj, on Tuesday announced the availability of 4Peaks 1.6, an upgrade to their free DNA sequence viewer that adds several new features. In addition to the ability to create high-resolution PDFs, 4Peaks 1.6 supports the analysis of data generated by Phred, a base-calling program for DNA sequence traces, and allows switching between horizontal and vertical zoom. Several bugs have also been repaired. Mac OS X v10.2.6 is required.
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