Question

define the term genetic drift how is genetic drift different from natural selection​

Answer 1

Answer:

Both natural selection and genetic drift are mechanisms for evolution (they both change allele frequencies over time). The key distinction is that in genetic drift allele frequencies change by chance, whereas in natural selection allele frequencies change by differential reproductive success.Jul 13, 2014

Explanation:

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Answer 2

Answer:

Genetic drift is when chance events cause changes in frequencies of alleles in a population.

Natural selection occurs because some alleles confer higher fitness, whereas genetic drift occurs because of sampling error. ... Natural selection tends to cause very rapid evolution, whereas genetic drift tends to operate on much longer time scales.

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