Abstract:Interspecies hybrids have long been studied to further understanding of speciation.Reciprocal crosses sometimes have asymmetric viability, a phenomenon termed 'Darwin's corollary to Haldane's rule'. It has been proposed that this asymmetry is caused by Dobzhansky-Muller incompatibilities between nuclear genes and cytoplasmic factors (e.g., maternal transcripts, mitochondrial genome). The molecular basis of this hypothesis has received little empirical investigation, presumably due to the lack of an appropriate… Show more
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