| 21. | Lineage sorting is driven by genetic drift and must occur before alleles become species specific.
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| 22. | Previous discussion on genetic drift examined just one cycle ( generation ) of the process.
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| 23. | :Mutation of genes involved in melanogenesis, followed by genetic drift is the most likely reason.
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| 24. | Genetic drift is an evolutionary process which leads to changes in allele frequencies over time.
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| 25. | See for example genetic drift .-- jjron 07 : 49, 20 May 2007 ( UTC)
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| 26. | Indeed, I would expect genetic drift to slowly change organisms in ways that don't matter.
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| 27. | Another example of genetic drift that is a potential sampling error is the founder effect.
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| 28. | Smaller communities are also vulnerable to adverse effects of climate change and to genetic drift.
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| 29. | This pointed to substitutions in protein sequences as being largely the product of random genetic drift.
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| 30. | The main processes influencing allele frequencies are natural selection, genetic drift, gene flow and recurrent mutation.
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