词汇 | coalescent |
释义 | BETA Examples of coalescentcoalescent isn’t in the Cambridge Dictionary yet. You can help! Each lesion becomes increasingly large and often coalescent. Several approaches have been taken to overcoming this difficulty and carrying out a coalescent analysis of selected alleles. Here, we only concern ourselves with the case of negative epistasis because it allows straightforward comparisons with the analytical coalescent approach. Unlike previous power studies, this one uses a coalescent model with recombination. A coalescent-based method for detecting recombination from gene sequences. The coalescent approach presented is entirely general and does not assume any specific multilocus fitness regime. Haplotype tests using coalescent simulations conditional on the number of segregating sites. Here, we have developed a general method to apply coalescent theory to multilocus scenarios. Maximum likelihood estimation of population growth rates based on the coalescent. Coalescent simulations show that this bias is most apparent when population subdivision is strong and differs substantially between the loci included. Provided that the population size of each background is large enough, these effects can be described by the structured coalescent process. The essential feature of coalescent theory is that, for neutral alleles, the ancestry of only the sample of genes need be modelled. These random associations render the population less structured than assumed by the coalescent approach, so that the increase in neutral variability is smaller than predicted. In that case, the coalescent is structured into different classes of backgrounds with different numbers of deleterious mutations rather than into different individual backgrounds. We can use coalescent theory to determine the expected variance among the effects of two alleles. Whether the development of coalescent compounds is a linguistic reduction or a creation within a language is unclear. Almost all the extant results based on the coalescent deal with a single selected locus. Data are then analysed using population genetic models, based for example on coalescent theory. To derive these results we can take advantage of several useful new results from the study of the coalescent. |
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