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Population structure is the presence of a systematic difference in allele frequencies between subpopulations due to non-random mating or other factors. Learn about the causes, measures, and methods of population structure in genetics, and how it affects genetic studies and ancestry inference.
Population structure is the organization of genetic variation and is driven by evolutionary processes. This web page provides chapters and articles from various scientific fields that discuss population structure and its implications for ecology, evolution, and conservation.
Population demographics is the study of the characteristics and dynamics of populations. Learn about population size, density, age structure, fecundity, mortality, and sex ratio,...
Learn how age-sex structure and survivorship curves affect population growth and evolution. See examples of different types of population pyramids and survivorship curves and how they reflect environmental conditions.
Population is the number of people living in a given area and influenced by various factors such as births, deaths, migration, and environment. Learn about the history, theory, and methods of demography, the study of human populations.
Population structure is the patterns of genetic variation in a population due to its departure from panmixia. Learn about the causes, consequences and implications of population structure for evolution, conservation and biomedicine from various sources and perspectives.
Individuals tend to mate with individuals from the same, or closely related sets of populations. This form of non-random mating is called population structure and can have profound effects on the distribution of genetic variation within and among natural populations.
Learn how to use statistical and evolutionary methods to analyze genetic data from multiple populations. Topics include principal component analysis, allele frequency, inbreeding, and F-statistics.
Population structure is a means of quantifying the extent to which individuals within a species share a common evolutionary and reproductive history. Learn about different drivers, approaches, and applications of population structure in various fields of biology, such as microbiology, evolutionary ecology, and genetics.
•Describe population substructure and how it can confound results. Also understand methods for accounting for it in analysis.