Dictionary » D » Discordance



dissociation of two characteristics in the members of a sample from a population; used as a measure of dependence.

Compare: concordance.

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Tests for introgression

If I see genealogical discordance between a mtDNA and nDNA dataset when looking at the phylogenetic trees, two things that could be happening are introgression, or incomplete lineage sorting. How would I go about testing this?

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by thrump
Sun Feb 22, 2009 8:08 pm
Forum: Genetics
Topic: Tests for introgression
Replies: 1
Views: 1286

Re: Horizontal Gene transfer (HGT)

... species (16S rRNA) trees). Gene and species trees will not be congruent if the gene has been horizontally acquires in most cases. Phylogenetic discordance can help to identify HGT genes.

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by saint2006
Thu Jan 24, 2008 6:39 pm
Forum: Evolution
Topic: Horizontal Gene transfer (HGT)
Replies: 1
Views: 2343

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