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    Phylogenetics and dating with cannon christina dating milian nick

    We find support for the monophyly of Asterophryinae as well as need for taxonomic reclassification of several genera.Furthermore, we find increased rates of speciation across the clade supporting the hypothesis of rapid radiation.All molecular-dating methods require converting genetic divergence between sequences into absolute time A package of programs for phylogenetic analyses of DNA and protein sequences…

    Here we reconstruct a phylogeny for Asterophryinae with greatly increased taxon and genetic sampling relative to prior studies.

    A cross-platform program for Bayesian phylogenetic analysis of molecular sequences.

    BEAST estimates rooted, time-measured phylogenies using strict or relaxed molecular clock models. A maximum likelihood-based method for estimating evolutionary rates and…

    Used the idea of approximate rate constancy to calculate the age of the alpha and beta globin duplication event. Chapter 4 has an extensive discussion of morphological versus molecular rates of evolution.. In Bayesian clock dating, the prior on divergence times is specified using a branching model, possibly incorporating fossil calibration information, and the prior on evolutionary rates is specified using a model of rate drift (a relaxed-clock model).

    Distributions assigned to parameters before the analysis of the data.

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