Occasional paternal inheritance of the germline-restricted chromosome in songbirds. - Pei Y; Forstmeier W; Ruiz-Ruano FJ; Mueller JC; Cabrero J; Camacho JPM; Alché JD; Franke A; Hoeppner M; Börno S; Gessara I; Hertel M; et al. (Proceedings of the National Academy of Sciences of the United States of America, 2022)