Sentence examples for after a selection event from inspiring English sources

The resurrection approach compares the gene pool before and after a selection event by growing both pools of seeds in a common garden and assumes that any significant shifts in trait distributions are the result of evolutionary change.

The population is set at 5 million individuals and it is assumed that there is a single mutation event to generate a single heterozygous individual (Aa) at time 0. The abundance of each genotype is then calculated after a selection event resulting in differential mortality.

I then apply the method to study divergence between Human Immunodeficiency Virus (HIV) subtypes and Hepatitis B Virus (HBV) genotypes, revealing a substantial selection event sometime after separation of HIV subtypes B and C and no evidence of a selection event separating HBV genotypes F and H.

This was a selection event.

Assuming the most drastic selection scenario where the frequency of the advantageous variant is nearly 100% in the population after a punctual selection event (exposure to chemical treatment of lice infestation), the frequency of a 5 cM haplotype associated to this mutation would decrease by 5% every generation following selection.

Their means of estimating S was to compare the mean size-at-age of individuals within a cohort after the selection event with the mean size of individuals from the same cohort at a much younger age before the effects of fishing had been experienced.

Specifically, threshold sizes for reproduction were much higher and reproductive investment relative to size significantly lower in the selected progenies just after a single artificial selection event.

After this selection event, students calculated the average phenotypic score in our population and the phenotypic variance.

Also useful in identifying rapid evolution is knowledge of the time scale in which the change has taken place and measures of character states before and after the selection event.

If each selection event would produce a single selection signal, it is hard to imagine that there occurred so many independent selection events during the recent human history.

After a selection, the region within 5″ of the event was ignored for 5 min either side of the EE in order to conclusively select a different maxima.