gene flowgene flow
The defintion of gene flow is the movement of a certain type of gene from one population of species to another.
An example of gene flow is a bird from one population ending up and reproducing in another population of birds.
the passage of particular genes through a population of animals or plants as a result of cross-fertilizations within the population
Transfer of genes from one population to another, as by migration or the dispersal of seeds and pollen.