HARD TO GO BACK. “The evolution of sex itself may limit the ability of an organism to evolve parthenogenesis secondarily. Rather than asexual reproduction being at a competitive ecological disadvantage, constraints resulting from the evolution of meiosis and subsequent associated changes may place important limitations on the ability of an organism to return to an asexual mode of reproduction once sex has evolved.”
https://lnkd.in/gGTTSzx