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11 gru 2023 · --distance is the primary interface to PLINK 1.9's IBS and Hamming distance calculation engine. Output formats By default, --distance causes a lower-triangular tab-delimited text file to be written to plink.dist, and a list of corresponding sample IDs to plink.dist.id. The first five modifiers allow you to change the output format.
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This guide applies to GenAlEx 6.5 onwards. It assumes a level of prior knowledge of population genetics likely held by an informed graduate student. The calculations performed by GenAlEx are detailed in a separate Appendix 1: Methods and statistics in GenAlEx 6.5, by Rod Peakall and Peter Smouse.
A genetic map shows the map distance, in cM, that separates any two loci, and the position of these loci relative to all other mapped loci. The genetic map distance is roughly proportional to the physical distance, i.e., the amount of DNA between two loci.
This chapter introduces some of the methodologies used in estimating genetic distances, how we analyze them, and how we portray our results in a graphical fashion amenable for interpretation. Underlying most estimates of genetic distance are sets of geometric and/or evolutionary assumptions.
24 maj 2017 · In this simulation study, we analyze the behavior of different genetic distances in Island (null hypothesis) and stepping stone models displaying varying neighborhood sizes.
While a genetic distance is an approximation of the mean number of changes that have occurred after two sequences diverged from their ancestor, a phylogenetic tree reflects the relationship between the genetic distances when multiple pairwise comparisons are made.
