Biologists map rare case of fitness-reducing interaction in nuclear, mitochondrial DNA

Biologists believe they have discovered the mechanism by which interacting mutations in mitochondrial and nuclear DNA produce an incompatible genotype that reduces reproductive fitness and delays development in fruit flies.

Source: http://feeds.sciencedaily.com/~r/sciencedaily/health_medicine/fitness/~3/F1gzcxsj1BQ/130205123015.htm

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