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A Bayesian coalescent-based method has recently been proposed to delimit species using multilocus genetic sequence data. Posterior probabilities of different species delimitation models are calculated using reversible-jump Markov chain Monte Carlo algorithms. The method accounts for species phylogenies and coalescent events in both extant and extinct(More)
MOTIVATION Cancer is well known to be the end result of somatic mutations that disrupt normal cell division. The number of such mutations that have to be accumulated in a cell before cancer develops depends on the type of cancer. The waiting time T(m) until the appearance of m mutations in a cell is thus an important quantity in population genetics models(More)
BACKGROUND Highly migratory species are usually expected to have minimal population substructure because strong gene flow has the effect of homogenizing genetic variation over geographical populations, counteracting random drift, selection and mutation. The migratory locust Locusta migratoria belongs to a monotypic genus, and is an infamous pest insect with(More)
OBJECTIVE To investigate the effects of period and area factors of manganese exposure on the postnatal development of brain in rats. METHODS A combination of GFAP cytoimmunochemistry and imaging analysis was used to determine the morphological changes of glial cells and the average proportional densities of GFAP-immunochemistry positive products of(More)
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