Patterns of genetic differentiation among taxa at early stages of divergence provide an opportunity to make inferences about the history of speciation. Here, we conduct a survey of DNA-sequence polymorphism and divergence at loci on the autosomes, X chromosome, Y chromosome and mitochondrial DNA in samples of Mus domesticus, M. musculus and M. castaneus. We analyzed our data under a divergence with gene flow model and estimate that the effective population size of M. castaneus is 200 000–400 000, of M. domesticus is 100 000–200 000 and of M. musculus is 60 000–120 000. These data also suggest that these species started to diverge approximately 500 000 years ago. Consistent with this recent divergence, we observed considerable variation in the genealogical patterns among loci. For some loci, all alleles within each species formed a monophyletic group, while at other loci, species were intermingled on the phylogeny of alleles. This intermingling probably reflects both incomplete lineage sorting and gene flow after divergence. Likelihood ratio tests rejected a strict allopatric model with no gene flow in comparisons between each pair of species. Gene flow was asymmetric: no gene flow was detected into M. domesticus, while significant gene flow was detected into both M. castaneus and M. musculus. Finally, most of the gene flow occurred at autosomal loci, resulting in a significantly higher ratio of fixed differences to polymorphisms at the X and Y chromosomes relative to autosomes in some comparisons, or just the X chromosome in others, emphasizing the important role of the sex chromosomes in general and the X chromosome in particular in speciation.
There was no evidence of a difference in recurrence rates at the classic level of significance (5%), but the lowest recurrence rates were seen in people who wore the highest degree of compression. Therefore, patients should wear the highest level of compression that is comfortable.
In recent years, physiotherapists have been increasingly interested in defining their professional identity. At the heart of this interest lies a fundamental question about the role that the body plays in defining physiotherapy practice. Given the importance of the body to physiotherapy, it is surprising how under-theorized the body is in existing physiotherapy literature. With a few notable exceptions, the body as a philosophical/theoretical construct has been almost entirely bypassed by the profession. In this paper the authors argue that a renewed interest in the meaning given to the body by physiotherapists is timely, and offer a sociohistorical critique of the role the body has played in defining physiotherapy practice. We challenge physiotherapists' longstanding affinity with a biomechanical view of the body, arguing that whilst this approach may have been critically important in the past, it is now increasingly clear that a more diverse and inclusive approach to the body will be needed in the future. The authors explore the notion of embodiment and suggest ways in which embodiment theory might be applied to physiotherapy practice.
The lack of clarity about particularized hope, its dimensions, properties or different forms limits knowledge about the conditions under which hope is a positive force versus when it can be damaging. Distinguishing conceptually between hope as a want and hope as an expectation has potential value in improving healthcare practice and informing future investigations.
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