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- Genetic_erosion abstract "Genetic erosion is a process whereby an already limited gene pool of an endangered species of plant or animal diminishes even more when individuals from the surviving population die off without getting a chance to meet and breed with others in their endangered low population. The term is sometimes used in a narrow sense, such as when describing the loss of particular alleles or genes, as well as being used more broadly, as when referring to the loss of varieties or even whole species.Genetic erosion occurs because each individual organism has many unique genes which get lost when it dies without getting a chance to breed. Low genetic diversity in a population of wild animals and plants leads to a further diminishing gene pool – inbreeding and a weakening immune system can then "fast track" that species towards eventual extinction.All the endangered species of the world are plagued to varying degrees by genetic erosion, and most need a human-assisted breeding program to keep their population viable, thereby avoiding extinction over long time frames. The smaller the population is on a relative scale, the more magnified the effect of genetic erosion becomes, as weakened individuals from the few surviving members of the species are lost without getting a chance to breed.Genetic erosion also gets compounded and accelerated by habitat fragmentation – today most endangered species live in smaller and smaller chunks of (fragmented) habitat, interspersed with human settlements and farmland, making it much more difficult to naturally meet and breed with others of their kind, so many die off without getting a chance to breed at all, and thus are unable to pass on their unique genes to the living population.The gene pool of a species or a population is the complete set of unique alleles that would be found by inspecting the genetic material of every living member of that species or population. A large gene pool indicates extensive genetic diversity, which is associated with robust populations that can survive bouts of intense selection. Meanwhile, low genetic diversity (see inbreeding and population bottlenecks) can cause reduced biological fitness and increase the chance of extinction of that species or population.".
- Genetic_erosion wikiPageID "12845111".
- Genetic_erosion wikiPageRevisionID "568150756".
- Genetic_erosion hasPhotoCollection Genetic_erosion.
- Genetic_erosion subject Category:Breeding.
- Genetic_erosion subject Category:Conservation.
- Genetic_erosion subject Category:Conservation_biology.
- Genetic_erosion subject Category:Ecology.
- Genetic_erosion subject Category:Environmental_issues.
- Genetic_erosion subject Category:Evolutionary_biology.
- Genetic_erosion subject Category:Genetic_engineering.
- Genetic_erosion subject Category:Hybridisation_(biology).
- Genetic_erosion subject Category:Population_genetics.
- Genetic_erosion type Abstraction100002137.
- Genetic_erosion type Cognition100023271.
- Genetic_erosion type Content105809192.
- Genetic_erosion type EnvironmentalIssues.
- Genetic_erosion type Issue105814650.
- Genetic_erosion type PsychologicalFeature100023100.
- Genetic_erosion comment "Genetic erosion is a process whereby an already limited gene pool of an endangered species of plant or animal diminishes even more when individuals from the surviving population die off without getting a chance to meet and breed with others in their endangered low population.".
- Genetic_erosion label "Erozja genetyczna".
- Genetic_erosion label "Generosion".
- Genetic_erosion label "Genetic erosion".
- Genetic_erosion label "Érosion génétique".
- Genetic_erosion sameAs Generosion.
- Genetic_erosion sameAs Érosion_génétique.
- Genetic_erosion sameAs Erosi_genetika.
- Genetic_erosion sameAs Erozja_genetyczna.
- Genetic_erosion sameAs m.02x7bbl.
- Genetic_erosion sameAs Q3073371.
- Genetic_erosion sameAs Q3073371.
- Genetic_erosion sameAs Genetic_erosion.
- Genetic_erosion wasDerivedFrom Genetic_erosion?oldid=568150756.
- Genetic_erosion isPrimaryTopicOf Genetic_erosion.