Biased estimates of phylogenetic branch lengths resulting from the discretised Gamma model of site rate heterogeneity
Luca Ferretti A, Tanya Golubchik, Francesco Di Lauro, Mahan Ghafari, Christian Julián Villabona‐Arenas, Katherine E. Atkins, Christophe Fraser, Matthew D. Hall
The paper identifies a bias in phylogenetic branch lengths when using the discrete Gamma model and recommends replacing it with the FreeRate model.
Systematic Biology · May 20, 2026Peer-reviewedEvolutionary Biology