In the section "Investigating Life: Birds Do It,Bees Do It",the experiment supports that a change in just one gene locus may have jump-started speciation in Mimulus.This is an example of

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The fact that a change in just one gene locus jump-started speciation in Mimulus supports the theory of punctuated equilibrium, which suggests that evolution occurs in relatively rapid bursts separated by long periods of stasis. This is because the speciation event occurred relatively quickly (in geological terms) due to a small genetic change, rather than gradually over time. This does not necessarily involve barriers to reproduction, pre- or post-zygotic, or asexual reproduction.

In the Section "Investigating Life: Birds Do It,Bees Do It",the