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.
Definition of selection pressure in:
- The US English dictionary