gene pool

(redirected from Genetic variety)
Also found in: Dictionary, Medical.

gene pool,

the total of all genesgene,
the structural unit of inheritance in living organisms. A gene is, in essence, a segment of DNA that has a particular purpose, i.e., that codes for (contains the chemical information necessary for the creation of) a specific enzyme or other protein.
..... Click the link for more information.
 in a population of a particular species. See geneticsgenetics,
scientific study of the mechanism of heredity. While Gregor Mendel first presented his findings on the statistical laws governing the transmission of certain traits from generation to generation in 1856, it was not until the discovery and detailed study of the
..... Click the link for more information.
.

Gene Pool

 

(Russian genofond), the qualitative composition and the relative quantity of the different forms (alleles) of the various genes in the population of one or another species of organism. By the term “gene pool” (the term in Russian was introduced by the Russian scientist A. S. Serebrovskii in 1928) is meant the allelic composition of the population or of all the members of the species, including all the variable characters and traits of the species or one or another selection from them, which is of interest to the researcher. When there is a sharp reduction in the number of individuals or a change in external conditions, the recessive gene pool— which is the sum total of recessive alleles that are for the most part excluded from natural selection—ensures that there will be a rapid change in the genetic makeup of the population. In the genetically less studied species, it is possible to determine the so-called phenotypic pool (a phene is an elementary character). Taking stock of hereditarily variable characters of farm animal and plant species under study, together with a determination of the frequencies of various alleles, is of great practical significance. The study of the gene pool of man has fundamental significance for human genetics.

REFERENCE

Serebrovskii, A. S. “Genogeografiia i genofond sel’skokhoziaistvennykh zhivotnykh SSSR.” Nauchnoe slovo, 1928, no. 9.

N. V. TIMOFEEV-RESOVSKII

gene pool

[′jēn ‚pül]
(genetics)
The totality of the genes of a specific population at a given time.
References in periodicals archive ?
Labate, computational biologist Angela Baldo, and geneticist Larry Robertson in ARS's Plant Genetic Resources Unit at Geneva, New York, have found greater genetic variety in cultivated tomatoes than was commonly believed to exist.
Unfortunately, the very limited number of stem cell lines Bush approved for federal funding quickly proved inadequate for ongoing research because of a lack of genetic variety or potential contamination.
Even in the forests genetic variety is threatened today by the loss of habitat, not only caused by incorrect deforestation practices, but also by the contamination of the genetic patrimony (which has adapted to local situations) by hybrids created by large seed companies producing GMOs.
Professor Mike Steel, of St Andrews University, said: "It looks like the original Scottish and Northern Irish population was founded by quite a small group of people with certain characteristic genes and less genetic variety from elsewhere.
Prof Mike Steel, of the University of St Andrews, said: "It looks like the original Scottish and Northern Irish population was founded by quite a small group of people with certain characteristic genes and less genetic variety than elsewhere.
Professor Mike Steel, of the University of St Andrews, said, ``It looks like the original Scottish and Northern Irish population was founded by quite a small group of people with certain characteristic genes and less genetic variety than elsewhere.
From a genetic point of view, if one of these varieties becomes disease-resistant then we will lose that genetic variety so it is essential to cultivate them as widely as possible.
2000 crop of soybeans for is 54 percent, according to USDA, meaning more processed foods and other soy-based products than not most likely contain the genetic variety of soybeans.
So when biologists claim that they are doing engineering of the genetic variety, comparing genes to computer programs, I am naturally curious.