Sentence examples for been directly selected for from inspiring English sources
One possible explanation for this pattern is that increased host fidelity has been directly selected for in areas of sympatry or parapatry, as a premating barrier to lessen cross-breeding between weevils associated with Onopordum and Cynara.
These are genes which really are directly selected for their own physical qualities, not for their effects on the physical qualities of the cells that surround them.
Other titans of the field, such as Pinker, believe language is like any other complex faculty and that it was directly selected for.
Positive clones can then be directly selected for sequencing.
All sequences from this fully-sequenced group could therefore be directly selected for further full-length analysis.
Sex-biased gene expression may be directly selected for when males and females have different gene expression optima.
I do, however, contend that, if so much speciation occurs, the most likely explanation is that there must be conditions where reproductive barriers can be directly selected for.
Whether scale-free networks are directly selected for being evolvable, error tolerant or robust, or whether the scale-free topology emerges out of more fundamental processes remains an open question.
Perhaps the simplest interpretation of the observation that natural selection must have increased the noise levels of some promoters is that these promoters were directly selected for increased noise.
The main advantage of our approach is that minimal PCR screening is required to identify bona fide recombinant animals, because insertions at the desired locus are directly selected for by the presence of both an antibiotic resistance marker and a fluorescent reporter gene.
Incidentally, I have tried to dampen the strength of that particular sentence in the abstract, which now reads:" if so much speciation occurs, the most likely explanation is that there must be conditions where reproductive barriers can be directly selected for".
