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egoroff_w [7]
4 years ago
12

How does migration affect the genetic makeup of a population? Explain

Biology
2 answers:
suter [353]4 years ago
5 0
Ometimes, there can<span> be random fluctuations in the numbers of alleles in a</span>population<span>. These changes in relative allele frequency, called </span>genetic<span> drift, </span>can<span> either increase or decrease by chance over time. ... </span>Genetic<span> drift </span>can<span> result in the loss of rare alleles, and </span>can<span> decrease the size of the </span>gene<span> pool. hope i helped ^-^</span>
Katyanochek1 [597]4 years ago
3 0
Typically, genetic drift occurs in small populations, where infrequently-occurring alleles face a greater chance of being lost. Once it begins, genetic drift will continue until the involved allele is either lost by a population or is the only allele present at a particular gene locus within a population

Hope this helps
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