Sentence examples for preserved by selection from inspiring English sources

What is notable, then, is that nearly all boundaries in Cryptococcus – relatively weakly and relatively strongly selected – are preserved by selection.

As noted in the last section, whether a particular variation is advantageous or harmful is, in once sense of that term, a matter of chance; and whether an advantageous variation is actually preserved by selection is, in another sense of the term, also a matter of chance.

Consequently, both altered copies are preserved by selection since any individual former gene is able to entirely perform their biological function (for review, see [ 29]).

However, in the case of deleterious mutations, a compensatory mutation may occur that renders the two mutations neutral or beneficial as a pair and causes them to be preserved by selection.

This layer of regulatory control over transcriptional networks is preserved by selection across deep evolutionary time, yet selection pressures on individual miRNA genes in contemporary populations remain poorly characterized in any organism.

Again, the only criteria for such additions to be preserved by natural selection are that they must serve some function, and they must confer an advantage relative to alternatives within the population.

When the duplicated gene is fixed to the genome and is functionally preserved by natural selection it may diverge either by neofunctionalization or subfunctionalization.

The extent of the DRA diversity identified suggests that the DR sub region associated with ESG2 has evolved independently from ESG1 and is more likely to be an ancient allelic lineages preserved by balancing selection rather than evidence for a cross-species hybridisation event.

Were they preserved by purifying selection?

This could possibly be the reason that untranslated TE-exons are preserved by natural selection.

If, instead, it is functionally relevant, its repetitive nature will tend to be preserved by purifying selection [ 29, 30].