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प्रश्न
In allopatric speciation the initial barrier to gene flow is ______.
विकल्प
geographic
ecological
behavioural
postzygotic
MCQ
रिक्त स्थान भरें
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उत्तर
In allopatric speciation the initial barrier to gene flow is geographic.
Explanation:
In allopatric speciation, the initial barrier to gene flow between populations is geographic isolation. This physical separation prevents interbreeding, allowing genetic differences to accumulate and eventually leading to the formation of new species.
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