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Genetic drift _____.

is a predictable event
increases genetic differences between populations
happens when random events change the genotype of a population
happens when well-adapted organisms survive and reproduce more often than poorly-adapted organisms

User IRiziya
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2 Answers

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happens when random events change the genotype of a population

User Bryan Stump
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I believe the answer is happens when random events change the genotype of a population because a genectic drift is a variation in the relative frequency of different genotypes in a small population, owing to the chance disappearance of particular genes as individuals die or do not reproduce
User Plasty Grove
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