Sentence examples for a powerful selection pressure from inspiring English sources
This combination may have resulted in a powerful selection pressure that has prevented the manifestation of some changes associated with the deletion of EBNA3A in the presence of supplemented medium.
It is tempting to speculate that in this case the emergence of analogous enzymes was driven by a powerful selection pressure in the face of the rapid oxygenation of the earth atmosphere.
Thus, each of these hurdles confers a powerful selective pressure, with selection for particular tumor cell genotypes.
Brundrett [10]) suggests that, as plants colonized the land, they would have faced powerful selection pressure to increase the surface area of their absorptive surfaces in soil to parallel that occurring in their photosynthetic organs.
New treatment regimens developed over the past 2 decades have successfully reduced overall HBV infection rates, but they have also exerted powerful selection pressures for the emergence of HBV mutants.
DNA markers linked to quantitative trait loci (QTL) affecting IPN resistance would therefore be a powerful selection tool.
In our view, one might interpret these results as showing that selection is such a powerful mechanism that whenever there is a large selection pressure, it does adapt the population rapidly and it will therefore be difficult to demonstrate in natural populations.
A biological assay in which a metagenomic library of DNA is expressed in a naive host and then the host is exposed to a selection pressure to select for DNA that confers a fitness advantage against the selection pressure.
Perhaps a stronger selection pressure on fighting ability promotes muscle architecture for fast, powerful, and sustained combats that are costly to use at intermediate to high walking speeds.
