| selection pressure |
The intensity of selection acting on a population of organisms or cells in culture. Its effectiveness is measured in terms of differential survival and reproduction, and consequently in change in the frequency of alleles in a population.
Ãâó: www.fao.org/docrep/003/X3910E/X3910E22.htm
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| selection pressure |
The intensity of natural genetic selection processes. Selection pressure may be measured by changes in gene frequency.
Ãâó: www.genpromag.com/Glossary~LETTER~S.html
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| selection pressure |
the environmental force altering the frequency of traits in a population. The S+ selective pressure is stronger than the S+ pressure, so its trait becomes more common. Selection may be for or against (S-) traits.
Ãâó: www.geo.arizona.edu/Antevs/ecol438/evolglos.html
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