foretell definition, meaning, what is foretell: to say what is going to happen in the future: . Learn more.
The gene pool is the set of all genes, or genetic information, in any population, usually of a particular species.
In natural populations, however, the genetic composition of a population's gene pool may change over time. Mutation is the primary source of new alleles in a gene pool, but the other factors act to increase or decrease the occurrence of alleles.