Definition of selection pressure in English:

selection pressure

Line breaks: se¦lec|tion pres|sure

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.

More definitions of selection pressure

Definition of selection pressure in:

Get more from Oxford Dictionaries

Subscribe to remove ads and access premium resources

Word of the day coloratura
Pronunciation: ˌkələrəˈto͝orə
noun
elaborate ornamentation of a vocal melody