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When populations are small, gene frequencies can change from generation to generation and some alleles may become fixed in a population. This is called __________ .

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When populations are small, gene frequencies can change from generation to generation and some alleles may become fixed in a population. This is called __________ . Answer: Genetic drift

Question context

This question is part of 🧬 Biochemistry within the broader 🧬 Medical Science subject and appears in the DemoPaper-Pakistan preparation collection. Reviewing the answer together with nearby questions helps reinforce the underlying concept and identify how it may appear in competitive exams.