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. 2006 Apr;172(4):2665–2681. doi: 10.1534/genetics.105.048975

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Copyright © 2006 by the Genetics Society of America

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Figure 1. — The dual nature of incompatibility. Two possible histories for a pair of incompatible sites are shown: (a) two incompatible sites explained by a recombination event and (b) two incompatible sites explained by a convergent mutation. Mutations in the first site are indicated by open circles and mutations in the second site are indicated by solid circles. To explain the incompatibility between the pair of sites either a recombination event must be invoked or a homoplasy must have occurred in the history of one of the sites.

Figure 1. — The dual nature of incompatibility. Two possible histories for a pair of incompatible sites are shown: (a) two incompatible sites explained by a recombination event and (b) two incompatible sites explained by a convergent mutation. Mutations in the first site are indicated by open circles and mutations in the second site are indicated by solid circles. To explain the incompatibility between the pair of sites either a recombination event must be invoked or a homoplasy must have occurred in the history of one of the sites.