Definition of selection pressure in English:

Share this entry

selection pressure

noun

Biology
An agent of differential mortality or fertility that tends to make a population change genetically: their range of variation is constrained by natural selection pressures imposed by their environment
More example sentences
  • In selection schemes improvements can be larger, but it depends on the structure of the population, the selection pressure, and the restriction on inbreeding imposed.
  • Therefore, the putative selection pressure for metabolic efficiency does not change the rate of nonsynonymous substitutions.
  • What happens is, in theory, unless you apply a selection pressure onto a population it stays the same.

For editors and proofreaders

Line breaks: se¦lec|tion pres|sure

Share this entry
 

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.