Sentence examples for instances of selection from inspiring English sources
Many of these instances of selection may reflect the pressures that came to bear as people abandoned their hunting and gathering way of life for settlement and agriculture, a transition well under way in Europe and East Asia some 5,000 years ago.
We used patterns of polymorphism within each group to detect instances of selection causing departure from the neutral frequency spectrum.
Secondly, instances of selection bias occurred during data collection, the effects of which are considered further below.
Therefore analyses of gene family evolution in this system are best interpreted as the result of multiple instances of selection in several independent lineages, as opposed to a small number of events traceable to a common ancestor.
As admirable as this enterprise may be, because gene-based biological evolution is now only one instance of selection, it ceases to provide much warrant for our beliefs.
When selecting the working institution for a given agent, institutions that are located closer to the home of a given agent have a slightly higher probability and therefore instance of selection.
Both genic and organismic selection are instances of individual selection, but the former refers to the "replicators"—the carriers of heredity and the latter to the "vehicles"—the entities in which the replicators are packaged.
Genes involved in host pathogen interactions are considered likely targets of balancing selection, although instances of balancing selection are rarely observed (Leffler et al. 2013).
Also, our models do not account for shifts in selective pressure or instances of positive selection that will affect nucleotide and amino acid substitution patterns (e.g., [ 113, 114]).
Our results mirror a study of human miRNAs that identified several instances of positive selection under a global background of purifying selection on miRNA genes (Quach et al. 2009).
While the recent studies including the three mentioned above identify signatures of natural selection on protein-coding genes, our approach adds value by providing information about how instances of positive selection can have different evolutionary footprints, and possibly have different functional implications.
