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Sequencher 4.8 User Manual--PC - Bioinformatics and Biological ...

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22. Forensic Features<br />

If you have the forensic version of <strong>Sequencher</strong>, you have access to special functions<br />

for DNA based identification. In this chapter we describe how you can validate mtDNA<br />

profiles, create reports <strong>and</strong> export your results.<br />

Working with mtDNA profiles<br />

Validating mitochondrial DNA profiles<br />

The Validate mtDNA Profiles comm<strong>and</strong> allows you to compare the results of separate<br />

analysts. Select two contigs which have been assembled to the same Reference Sequence.<br />

Go to the Contig menu <strong>and</strong> click on the Validate mtDNA Profiles item. This comm<strong>and</strong><br />

creates a report in a new window. The title bar includes a date <strong>and</strong> time stamp as shown<br />

in Figure 22-1 below. The report includes the name of the Reference Sequence used, the<br />

name of the contigs being examined <strong>and</strong> the HV1 <strong>and</strong> HV2 ranges. Underneath the main<br />

body of the report is a text box that automatically displays pertinent warnings.<br />

In the report shown in Figure 22-1, the two mtDNA profiles disagree. The bases in<br />

conflict are highlighted in yellow. Also there are positions where there is data for one<br />

mtDNA profile, but not for the other. The base position is distinguished by a yellow<br />

highlight, <strong>and</strong> the cell with the missing data has a pink X though it. The cells are<br />

unshaded where the two profiles both agree <strong>and</strong> confirm each other.<br />

SEQUENCHER <strong>4.8</strong> <strong>User</strong> <strong>Manual</strong> for Windows © 1991 - 2007 Gene Codes Corporation, Inc. All rights reserved.<br />

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