Hello Bluesky! Does Nₑ really explain mutation rate (μ) or genome size (GS) in vertebrates? We find the apparent Nₑ–μ link in Bergeron et al. (2023) is a “back-door” path via generation time, and GS is decoupled from both Nₑ and life-history traits. www.pnas.org/doi/10.1073/... #evobio #PNAS