YY males of the dioecious plant Mercurialis annua are fully viable but produce largely infertile pollen
X. Li, P. Veltsos, G. Cossard, J. Gerchen, J. R. Pannell
The study compares viability and fertility between XY and YY males in Mercurialis annua, finding YY males produce largely infertile pollen despite similar viability.
bioRxiv · Jun 3, 2019Evolutionary Biology