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प्रश्न
Discuss the role of migration.
अति संक्षिप्त उत्तर
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उत्तर
When individuals enter or leave populations and reproduce, they bring in or remove alleles. This gene flow changes allele frequencies and introduces genetic variation. Unrestricted gene flow tends to reduce genetic differences between populations.
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पाठ 9: Theory of Evolution and Evolution of Man - EXERCISES [पृष्ठ ५२६]
