Sentence examples for a selective force from inspiring English sources

Nevertheless, sexual selection cannot be ruled out as a selective force that might scale the size of the caudal fin as well like in guppies, Poecilia reticulata [ 46].

This situation does not allow differential expression by promoter selectivity, and may therefore serve as a selective force that favors physical grouping of genes rather than evolution of promoter sequences of dispersed genes.

If these branch-falls were prevalent enough of a selective force, species intolerant of this damage could be selected against in areas of high branch-fall.

Human selection in plant domestication and improvement has foresight and strategy, but is a selective force that, unless using induced mutation, must rely on the same generators of change as blind natural selection.

They found considerable genetic variation for glyphosate tolerance, indicating that the chemical can be a selective force.

"The evidence," he wrote in The Bulletin of the Geological Society of America, "is strongly suggestive that magnetic reversals either directly or indirectly exert a selective force".

Thus a selective force existed within the host to retain tumor cells bearing an immunoglobulin molecule with a particular idiotypic structure.

A predator that dies in its first encounter with a dangerous species cannot act as a selective force favouring the coloration of that species.

The best evidence available to Dr. Boyd and Dr. Richerson for culture being a selective force was the lactose tolerance found in many northern Europeans.

Spatial expansion thus creates a selective force whereby cooperator-enriched demes overtake neighboring defector-enriched demes in a "survival of the fastest".

A high number of different synthetic peptides are competing to interact with a limited amount of HLA molecules, giving a selective force in the binding.