Phenotypic plasticity
Phenotypic Plasticity
Phenotypic plasticity (pronunciation: /fɪˈnɒtɪpɪk plæˈstɪsɪti/) is a fundamental concept in the field of biology and genetics. It refers to the ability of an organism to change its phenotype in response to changes in the environment.
Etymology
The term "phenotypic plasticity" is derived from the Greek words "phainein" (to show) and "typos" (type), and the Latin word "plasticus" (moldable). It was first used in the scientific literature in the early 20th century.
Definition
Phenotypic plasticity is defined as the ability of an organism to alter its phenotype, or physical and physiological traits, in response to changes in its environment. This can include changes in size, shape, color, and behavior. The changes can be temporary or permanent, and can occur at any stage of the organism's life.
Examples
Examples of phenotypic plasticity include the ability of a plant to alter its leaf shape in response to changes in light intensity, or the ability of a fish to change its color in response to changes in its surroundings.
Related Terms
- Genotype: The genetic makeup of an organism.
- Phenotype: The physical and physiological traits of an organism.
- Epigenetics: The study of changes in organisms caused by modification of gene expression rather than alteration of the genetic code itself.
- Adaptation: The process by which organisms become better suited to their environment.
See Also
External links
- Medical encyclopedia article on Phenotypic plasticity
- Wikipedia's article - Phenotypic plasticity
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