Isolation with migration (IMA2) and divergence times
Exact Calculation of the Joint Allele Frequency Spectrum for Isolation with Migration Models
... asymmetric migration with rates m 12 ¼ 1:0; m 21 ¼ 0:1: We set a low per locus u, u ¼ 0:001; and generated 10 6 ...asymmetric migration, ...ate divergence times (t div ¼ 0:5) and does less ...
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Distinguishing Migration From Isolation: A Markov Chain Monte Carlo Approach
... estimating divergence times and migration rates between two populations from DNA sequence ...the migration rate for each population may be different, and the ancestral population and the two ...
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Identifying Loci Under Selection Against Gene Flow in Isolation-with-Migration Models
... When divergence occurs in the presence of gene flow, there can arise an interesting dynamic in which selection against gene flow, at sites associated with population-specific adaptations or genetic incompatibilities, ...
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Social Isolation, Loneliness and Return Migration: Evidence from Older Irish Adults
... return migration, a number of the themes are very ...return migration presents a range of challenges which could exceed some of those presented by an initial migratory ...
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Multilocus Methods for Estimating Population Sizes, Migration Rates and Divergence Time, With Applications to the Divergence of Drosophila pseudoobscura and D. persimilis
... and Evolution, edited by B. Schierwater, B. Streit, G. Wagner cies. Proc. Natl. Acad. Sci. USA 98: 12084–12088. Noor, M. A. F., K. L. Grams, A. Bertucci, Y. Almendarez, J. A. and R. Desalle. Birkha¨user-Verlag, Basel, ...
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Divergence times and the evolutionary radiation of new world monkeys (Platyrrhini, Primates): an analysis of fossil and molecular data
... Consequently, divergence times have been widely investigated among several key ...temporal divergence of the platyrrhine clade is one of the most controversial among ...in isolation from the ...
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Evolutionary divergence times in the Annonaceae: Evidence of a late Miocene origin of Pseuduvaria in Sundaland with subsequent diversification in New Guinea
... The divergence times of the main clades within the Annonaceae were found to deviate slightly from previous estimates that used different calibration points and dating ...subsequent migration events ...
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Estimating Ancestral Population Sizes and Divergence Times
... In any case, at the present they cannot be used to esti- mate the human-chimp N a because of a lack of chimpan- zee polymorphism data. Large estimates of the human-chimpanzee N a are con- cordant with a study of Mhc that ...
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Advances in Bayesian Inference for Species Divergence Times.
... If the mutation rate at a neutrally evolving site was drawn from a gamma distribution, then the number of substitutions at a site can be fit to a negative binomial distribution[69]. Therefore, one possible extension of ...
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Hydrocarbon divergence and reproductive isolation in Timema stick insects
... specific sets of hydrocarbons may serve as signals for mate choice between species and populations; (2) in no- choice trials, mating was significantly more likely be- tween pairs of species with similar hydrocarbon ...
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Mediating media usage in times of migration
... Evening media time is usually spent together with the family watching television, or separately on computers and handheld devices (especially for older children). Media rules and parental mediation strategies Before ...
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Estimating the phylogeny and divergence times of primates using a supermatrix approach
... Results and Discussion This study represents a comprehensive phylogenetic study of the Order Primates, with regard to both taxonomic and gene coverage. This enables previous phylogenetic assess- ments of the order, which ...
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Evolutionary relationships and divergence times among the native rats of Australia
... Conclusions: Our whole mitochondrial genome analyses are concordant with a taxonomic division that places the native Australian rats into the Rattus fuscipes species group. We suggest the following order of ...
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DIVERGENCE TIMES AND THE EVOLUTION OF EPIPHYTISM IN FILMY FERNS (HYMENOPHYLLACEAE) REVISITED
... estimating divergence times for filmy ...our divergence time ...estimated divergence times for the family, which suggest that the trichomanoids did not diverge from the hymenophylloids ...
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Bayesian estimation of species divergence times using correlated quantitative characters
... Figure 1: A phylogeny of two extant species (A and B) and one extinct species (F † ). The age of the extinct fossil, t F , provides a minimum age bound on the divergence of A and B, t AB . The fossil age can be ...
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The colonization of land by animals: molecular phylogeny and divergence times among arthropods
... We propose the name Myriochelata (in allusion to the joining of Myriapoda and Chelicerata) for the group con- taining myriapods and chelicerates, which otherwise is unnamed [28]. Although we are unable to identify any ...
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Divergent evolution in the law of torts:jurisdictional isolation, jurisprudential divergence and explanatory theories
... authority; (3) the reduced deference to British authority; (4) a tendency towards judicial parochialism in some jurisdictions; and (5) the growth of legislation in the tort law context. (i) The Shrinking Overseas ...
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Fossils matter: improved estimates of divergence times in Pinus reveal older diversification.
... the large fossil sets. More importantly, the fossils associ- ated with the greatest node age sensitivity (Fig. 4) did not include any of the seven “riskier” fossils. In summary, our age estimates are robust towards sin- ...
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Phenotypic divergence and reproductive isolation between sympatric forms of Japanese threespine sticklebacks
... phenotypic divergence and isolating barriers that contribute to reproductive isolation at early stages of ...phenotypic divergence, as well as the types of isolating barriers that are present between ...
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Host associated genetic divergence and sexual isolation in the grasshopper Hesperotettix viridis (Orthoptera : acrididae)
... feeding divergence and assortative mating based on host plant use by ...that divergence in feeding preference can promote population ...initial divergence, the effect of habitat preference on sexual ...
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