Gene Flow
유전자 흐름
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<speciesfyi-glossary slug="gene-flow"></speciesfyi-glossary>Definition
The transfer of genetic material between separate populations through migration and interbreeding.
Detailed Explanation
Gene flow acts as a homogenizing force, counteracting the diversifying effects of natural selection and drift in isolated populations. Wildlife corridors are designed specifically to maintain gene flow between fragmented habitat patches, reducing inbreeding depression. Conversely, blocking gene flow — through roads or dams — can strand small populations on a path toward local extinction.