نتایج جستجو برای: somoclonal variation
تعداد نتایج: 296558 فیلتر نتایج به سال:
Endometriosis is a complex disease arising from the interplay between multiple genetic and environmental factors. The genetic variants potentially underlying the hereditary component of endometriosis have been widely investigated through hypothesis-driven candidate gene studies, an approach that generally has proven to be inherently difficult and problematic for a number of reasons. Recently, t...
Are Wage and Employment Effects Robust to Alternative Minimum Wage Variables? A national minimum wage cannot explain variation in wages or employment across regions. Identification of the effect of the minimum wage separately from the effect of other variables on wages or employment requires regional variation. Many minimum wage variables with regional variation have been suggested in the liter...
We estimated DNA sequence variation within and between four populations of Drosophila ananassae at Om(1D) and vermilion (v) by using single-strand conformation polymorphism analysis and direct DNA sequencing. Om(1D) is located on the X chromosome in a region with a normal recombination rate; v is in a region of low recombination. In each population, levels of nucleotide diversity at v are reduc...
Purifying selection can substantially alter patterns of molecular evolution. Its main effect is to reduce overall levels of genetic variation, leading to a reduced effective population size. However, it also distorts genealogies relative to neutral expectations. A structured coalescent method has been used to describe this effect, and forms the basis for numerical methods and simulations. In th...
In this paper, we establish some generalizations of weighted trapezoid inequality for mappings of bounded variation, and give several applications for r − moment, the expectation of a continuous random variable and the Beta mapping.
4 Casper-Emil T. Pedersen*, Kirk E. Lohmueller, Niels Grarup, Peter Bjerregaard, 5 Torben Hansen, Hans R. Siegismund*, Ida Moltke*, and Anders Albrechtsen* 6 7 Department of Biology, Section for Computational and RNA Biology, University of 8 Copenhagen, 2200 Copenhagen N, Denmark 9 10 Department of Ecology and Evolutionary Biology, University of California, Los 11 Angeles, CA 90095, United Stat...
In this work it is shown that for every integral n varifold in an open subset U of Rn+m, n,m ∈ N, of locally bounded first variation there exists a countable collection C of n dimensional submanifolds of U of class C2 such that μ(U ∼ S C) = 0 and for each member M of C ~ Hμ(x) = ~ HM (x) for μ almost all x ∈M.
The Observer-Reporter-Interpreter-Manager-Educator (ORIME) is adapted from RIME, an intuitive, self-explanatory and "synthetic" framework that assesses formatively, a student's ability to synthesise knowledge, skills and attitude during a clinical encounter with a patient. The "O" refers to a student's ability to pay attention and perceive with open-mindedness, people and events around him or h...
To study the contribution of the Stimulus-Preceding Negativity (SPN) to the late wave of the Contingent Negative Variation (CNV), negativity was recorded preceding an instruction stimulus (S1), an instruction stimulus to which a motor response was required (S2) and a stimulus that transmitted Knowledge of Results (KR). All recorded negativities showed a centro-parietal maximum. The pre-instruct...
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