What does stabilizing selection mean?
Definitions for stabilizing selection
sta·bi·liz·ing selec·tion
This dictionary definitions page includes all the possible meanings, example usage and translations of the word stabilizing selection.
Wikipedia
Stabilizing selection
Stabilizing selection (not to be confused with negative or purifying selection) is a type of natural selection in which the population mean stabilizes on a particular non-extreme trait value. This is thought to be the most common mechanism of action for natural selection because most traits do not appear to change drastically over time. Stabilizing selection commonly uses negative selection (a.k.a. purifying selection) to select against extreme values of the character. Stabilizing selection is the opposite of disruptive selection. Instead of favoring individuals with extreme phenotypes, it favors the intermediate variants. Stabilizing selection tends to remove the more severe phenotypes, resulting in the reproductive success of the norm or average phenotypes. This means that most common phenotype in the population is selected for and continues to dominate in future generations.
Wikidata
Stabilizing selection
Stabilizing selection is a type of natural selection in which genetic diversity decreases and the population mean stabilizes on a particular trait value. This is thought to be the most common mechanism of action for natural selection because most traits do not appear to change drastically over time. Stabilizing selection commonly uses negative selection to select against extreme values of the character. Stabilizing selection is the opposite of disruptive selection. Instead of favoring individuals with extreme phenotypes, it favors the intermediate variants. It reduces phenotypic variation and maintains the status quo. Natural selection tends to remove the more severe phenotypes, resulting in the reproductive success of the norm or average phenotypes. For example, the Bicyclus anynana exhibits stabilizing selection with its eyespots. A classic example of this is human birth weight. Babies of low weight lose heat more quickly and get ill from infectious diseases more easily, whereas babies of large body weight are more difficult to deliver through the pelvis. Infants of a more medium weight survive much more often.
Numerology
Chaldean Numerology
The numerical value of stabilizing selection in Chaldean Numerology is: 4
Pythagorean Numerology
The numerical value of stabilizing selection in Pythagorean Numerology is: 5
Translations for stabilizing selection
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- 稳定选择Chinese
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"stabilizing selection." Definitions.net. STANDS4 LLC, 2024. Web. 25 Apr. 2024. <https://www.definitions.net/definition/stabilizing+selection>.
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