Questions tagged [substitution-model]

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Should I expect / use a prokaryote-specific substitution model when building a phylogenetic tree?

I have a couple of prokaryotic genes that I'm trying to build phylogenetic trees from. I inputted them into IQTree, which, as part of the workflow, runs through multiple substitution models until it ...
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File format of substitution matrix in clustalw

I need to set the substitution matrix used by command line CLUSTALW when comparing DNA sequences to: 0 -1 -1 -1 -1 0 -1 -1 -1 -1 0 -1 -1 -1 -1 0 from my ...
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How is the instantaneous rate of an instantaneous rate matrix determined?

In molecular evolution, I know that the instantaneous rate of the rate matrix is the limit of the rate as time approaches 0, but what I don't understand is how this rate is established or what I can ...
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