Genetic polymorphisms in a mate choice locus are maintained by balancing selection in a wild medaka population
Shingo Fujimoto, Taijun Myosho, Hirozumi Kobayashi, Hiroaki Aoyama, Iki Murase, Bayu Kreshna Adhitya Sumarto, Mitsuharu Yagi, Taiga Kunishima, Masatoshi Matsunami, Ryosuke Kimura
The paper identifies a genomic region in Oryzias sakaizumii showing signs of balancing selection, potentially linked to sexual selection and female mating behavior.
bioRxiv · May 8, 2026 · PreprintEvolutionary Biology