A simple, deterministic analysis predicts that accumulation of Dobzhansky-Muller incompatibilities by a spatially structured population strongly depends on the number of negative interactions of an allele. If an allele can be incompatible with alleles at only one locus, incompatibilities accumulate linearly with time. In contrast, if an allele can participate in multiple pairwise incompatibilities with alleles at different loci, the expected number of incompatibilities eventually increases quadratically.
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1 January 2003
ACCUMULATION OF DOBZHANSKY-MULLER INCOMPATIBILITIES WITHIN A SPATIALLY STRUCTURED POPULATION
Alexey S. Kondrashov
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Evolution
Vol. 57 • No. 1
January 2003
Vol. 57 • No. 1
January 2003
allele
allopatry
incompatibility
parapatry
speciation