Gene flow
Migration flow involving movement across international borders.
Migration
migration
back flow of people to their native country
It was a flow of African Americans moving from the South to the North.
the constant flow of migrants from one country into another country.
It has been to the United States.
Shigemi Kono has written: 'Inter-prefectural migration in Japan, 1956 and 1961' -- subject(s): Internal Migration
Movement of gametes causes gene flow, which is influenced by individuals moving into a population.
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it flow throught SEA OF JAPAN