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http://www.nature.com/scitable/definition/evolution-78 http://www.nature.com/scitable/definition/evolution-78 >Microevolution reflects changes in DNA sequences
by hexane360 10y ago
http://www.nature.com/scitable/definition/evolution-78 http://www.nature.com/scitable/definition/evolution-78
>Microevolution reflects changes in DNA sequences and allele frequencies within a species over time.
Allele frequencies changed from ~2% to ~33%. Mutations are not necessary for the process, unless the allele is at 0% frequency to begin with.