Evidence for variation in the effective population size of animal mitochondrial DNA.

Abstract excerpt

BACKGROUND: It has recently been shown that levels of diversity in mitochondrial DNA are remarkably constant across animals of diverse census population sizes and ecologies, which has led to the suggestion that the effective population of mitochondrial DNA may be relatively constant. RESULTS: Here we present several lines of evidence that suggest, to the contrary, that the effective population size of mtDNA does...

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