Inbreeding depression by polygenic load following a severe population bottleneck
K. Lee, Alessandro V. Pinto, Sen Dong, Sergio González‐Mollinedo, Chuen Zhang Lee, Jon Slate, Jan Komdeur, David S. Richardson, Hannah L. Dugdale, Terry A. Burke
This study examines inbreeding depression in Seychelles warblers after a population bottleneck, finding a polygenic load reduces lifespan and offspring production by 17.9% and 15.1% per 10% inbreeding increase.
bioRxiv · Jun 5, 2026 · PreprintEvolutionary Biology