bottleneck

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Related to bottlenecks: Population bottlenecks
A marked decrease in gene pool diversity due to a low number of genetically distinct individuals in the population, i.e., a population bred from 2 individuals has far fewer variables on the allelic loci—a bottleneck—than a second population bred from hundreds of individuals

bottleneck

a period in the history of a population during which the number of individuals is reduced to a low number, perhaps by disease or extreme environmental conditions. As a result RANDOM GENETIC DRIFT may occur in the population. See also FOUNDER EFFECT.
References in periodicals archive ?
This year, respondents to our survey clearly indicated that downstream purification was the top area in need of improvement to address capacity constraints, with better disposables and more standardized international regulatory processes also seen as major factors for removing bottlenecks.
Bottlenecks can occur at every stage of the development process.
Complicating the problem: a fluctuating product mix that continually changes the identity of the bottleneck.
An example might be smoking cessation, acne, or prenatal classes using trained staff members, steering work load away from the physician bottlenecks while maintaining quality standards, patient acceptance, and satisfaction.
The generalized genetic distances of the bottlenecked lines from the ancestor are shown in Figure 1 (and Appendix II), separated for size (major axis) and shape (summarized across axes II, III, and IV) components over the course of the five serial bottlenecks, and the randomized blocks ANOVA is given in Table 1.
Another economic bottleneck is that we have had a record high average capital gains tax rate.
By utilizing VKernel's quick-to-install virtual appliance model, users can eliminate current capacity bottlenecks and future ones through a simple, single-screen management dashboard.
Most I/O-starved database systems will have one or more I/O bottlenecks, some occurring during the day and others at night.
Fisher, the executive director of the California branch of the American Highway Users Alliance, which calculated the costs of the worst bottlenecks using California Department of Transportation and other figures.
When you observe bottlenecks over time, you find that they constantly move from place to place due to system dynamics and interdependencies.
Bruce Huang, Chairman and CEO, commented, "Our company was founded on the belief that IT Managers must have clear visibility into the application infrastructure to identify application performance bottlenecks.
VARs frequently hear customers complain that system-level bottlenecks hamper backup performance.