Sentence examples for has been selection from inspiring English sources

The guiding principle has been selection, not real election by the people.

What Millikan refers to as a "direct proper function" belongs to a mechanism for which there has been selection.

As a means of determining whether there has been selection to conserve the basic pattern of filamentous phage mRNAs, the major mRNAs representing genes II to VIII have been defined for a phage distantly related to the Ff group specific for Escherichia coli hosts bearing F pili.

Our model is consistent with observations of rapid metastasis once a neoplasm becomes malignant [21], because we predict that there has been selection for cell migration prior to invasion.

Furthermore, there has been selection for the active state of the IAP, because the obese yellow phenotype that is the result of IAP activity was for most of this time the trait of interest, and the epigenetic basis of the phenotypic variation was not at first understood [36], [37].

Distorted markers were often strung together, suggesting that there has been selection for gametophytes or sporophytes.

Although all operated patients were included, there may have been selection bias as the surgeons selected their cases.

Over time there would have been selection for more annuality and reduced vegetative growth (shorter and straighter growth habit), as well as increasing grain yields and grain size.

Thus, there would have been selection for a robust mechanism to supply each daughter with a single centriole.

Because these genes are co-expressed within the same silk gland, there may have been selection for similarity in regulatory regions.

Second, there may have been selection bias.