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Gene flow is the transfer of alleles from one population to another population through immigration of individuals. In population genetics, gene flow (also known as migration and allele flow) is the transfer of genetic material from one population to another. If the rate of gene flow is high enough, then two populations will have equivalent ...
Genetic pollution is a term for uncontrolled [1] [2] gene flow into wild populations. It is defined as "the dispersal of contaminated altered genes from genetically engineered organisms to natural organisms, esp. by cross-pollination", [3] but has come to be used in some broader ways.
Animals tend to be more mobile than plants, although pollen and seeds may be carried great distances by animals or wind. Maintained gene flow between two populations can also lead to a combination of the two gene pools, reducing the genetic variation between the two groups.
Population size, genetic diversity, and the environment can all affect the outcome. Isolation by distance (IBD), wherein population growth rates and immigration numbers are inversely proportional to population distance, may correlate gene flow patterns with geographic distance. Gene flow may also follow patterns of isolation by habitat, with ...
Landscape genetics attempts to determine which landscape features are barriers to dispersal and gene flow, how human-induced landscape changes affect the evolution of populations, the source-sink dynamics of a given population, and how diseases or invasive species spread across landscapes. [2]
Tree of life showing vertical and horizontal gene transfers. Horizontal gene transfer (HGT) or lateral gene transfer (LGT) [1] [2] [3] is the movement of genetic material between organisms other than by the ("vertical") transmission of DNA from parent to offspring (reproduction). [4] HGT is an important factor in the evolution of many organisms.
Customers who purchased Deep River brand potato chips labeled “Non-GMO Ingredients” may be eligible for a cash payment from a class action settlement.. Old Lyme Gourmet Co., the company behind ...
gene flow The transfer of genetic variation from one population to another, by any available means, e.g. by sexual reproduction, horizontal gene transfer, or retroviral integration. Gene flow is the transfer of alleles from one population to another population through the interbreeding of individual organisms belonging to the populations. gene pool