The high proportion of bottleneck populations detected, argue in that direction.
We found a significant positive correlation between virus types and the proportion of hubs (bottlenecks) (correlation coefficient = 0.9429 and 0.8286, one sided p value = 0.0083 and 0.0292; Spearman's test).
First, to inspect whether the targets of herpesvirus miRNAs cover more hubs than random conditions, the statistical significance of the proportion of miRNA-targeted hubs (bottlenecks) was tested.
Any potential reduction in Ne as a consequence of multiple paternity will be exacerbated in small populations who by their very nature have already lost a proportion of genetic variation through genetic bottleneck events leading to a reduced adaptive potential (Willi et al. 2006).
Our generic formulation contains a sequence of bottlenecks in which bottleneck sizes, population sizes, bottleneck lengths, and the times for the population founding events are allowed to vary.
Lohmueller et al. (2008), comparing 15 African American and 20 European American individuals, showed that human populations that went through a rapid and recent population bottleneck present a higher proportion of deleterious variation.
Some are hoping dramatically to raise the proportion of man-hours worked off-site.With so many bottlenecks and a volatile oil price, firms are growing cautious.
Over evolutionary timescales, selection for female discrimination against diploid males is therefore likely to depend on the frequency of population bottlenecks and concomitant variations of the proportion of diploid males.
Another effect is that it creates a strong bottleneck, that results in a lower proportion of FI and MI markers relative to BI markers than in an outbred cross (Supplement S8).
"Nations will face critical bottlenecks to economic growth if a large proportion of their working-age people's IQ and productivity are limited by under-nutrition," says Dr Peter Salama, UNICEF representative in Ethiopia.
