Disentangling positive vs. relaxed selection in animal mitochondrial genomes
K. D. Zwonitzer, E. N. K. Iverson, J. J. Sterling, R. J. Weaver, B. A. Maclaine, J. C. Havird
The paper reevaluates seven case studies of elevated dN/dS ratios in animal mtDNA, finding that elevated ratios are often not caused by the predicted selection mechanisms and sometimes support the opposite.
bioRxiv · Oct 5, 2022 · PreprintEvolutionary Biology