Windows QTL Cartographer 2.5 - FTP Directory Listing
Windows QTL Cartographer 2.5 - FTP Directory Listing
Windows QTL Cartographer 2.5 - FTP Directory Listing
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© 2010 N.C. State University, Bioinformatics Research Center<br />
Win<strong>QTL</strong>Cart Procedures 35<br />
T(B1)SF. Test cross, with genotyping done on an intercross (SF) and phenotyping on a cross (B1)<br />
derived from that intercross. Enter an integer indicating the generation.<br />
T(B1)RF. Test cross, with genotyping done on an intercross (RF) and phenotyping on a cross (B1)<br />
derived from that intercross. Enter an integer indicating the generation.<br />
T(B2)SF. Test cross, with genotyping done on an intercross (SF) and phenotyping on a cross (B2)<br />
derived from that intercross. Enter an integer indicating the generation.<br />
T(B2)RF. Test cross, with genotyping done on an intercross (RF) and phenotyping on a cross (B2)<br />
derived from that intercross. Enter an integer indicating the generation.<br />
Map Function<br />
A map function is a mathematical relationship between recombination probabilities and map distances.<br />
Select the function you want, based on the interference to be assumed.<br />
Haldane. The default option. Assumes no crossover interference.<br />
Kosambi. Assumes some interference.<br />
Fixed. The Morgan mapping function. Assumes complete interference.<br />
Note These mapping functions, among others, are discussed at length in Ben Lui's book,<br />
Statistical Genomics: Linkage, Mapping and <strong>QTL</strong> Analysis (1998).<br />
Distance type<br />
Position. Indicates that the numbers indicate positions from the left telomere of the current<br />
chromosome. This means the numbers should be in increasing order.<br />
Interval. Indicates that the numbers are for the interval distance after a marker. This means that<br />
the last number, and the last number only, should be zero.<br />
Distance units<br />
centiMorgan (cM). Very small. 100 centiMorgans=1 Morgan.<br />
Morgan. The distance over which, on average, one crossover occurs per meiosis.<br />
Recombination. Percentage of crossover events that occur between two markers.<br />
Related Topics<br />
MCD file format<br />
39<br />
Working with source file's individual information<br />
At the Source data manipulations pane on the Main window, click the Individual button to open the Add<br />
or Delete Individuals dialog.