Genetic viability
Genetic Viability
Genetic viability (/dʒɪˈnɛtɪk vaɪəˈbɪlɪti/) refers to the ability of a species or a population to survive and reproduce under changing environmental conditions due to the genetic diversity present in it.
Etymology
The term 'genetic viability' is derived from two words. 'Genetic' (/dʒɪˈnɛtɪk/) comes from the word 'gene', which was coined by the Danish botanist, plant physiologist, and geneticist Wilhelm Johannsen in 1909. 'Viability' (/vaɪəˈbɪlɪti/) comes from the Latin word 'vita', meaning 'life'.
Definition
Genetic viability is a measure of a population's ability to sustain itself in the face of environmental changes. It is determined by the genetic diversity within a population, which is the total number of genetic characteristics in the genetic makeup of a species. A population with high genetic diversity is considered to have high genetic viability as it has a better chance of surviving environmental changes.
Related Terms
- Genetic Diversity: The total number of genetic characteristics in the genetic makeup of a species.
- Population: A group of individuals of the same species living in the same geographic area.
- Species: The largest group of organisms in which any two individuals of the appropriate sexes or mating types can produce fertile offspring.
- Environment: The surroundings or conditions in which a person, animal, or plant lives or operates.
- Gene: A unit of heredity which is transferred from a parent to offspring and is held to determine some characteristic of the offspring.
External links
- Medical encyclopedia article on Genetic viability
- Wikipedia's article - Genetic viability
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