Diploid cells do not produce or respond to either mating pheromone and do not mate, but can undergo meiosis to produce four haploid cells.
en.wikipedia.org Within the capsule, spore-producing cells undergo meiosis to form haploid spores, upon which the cycle can start again.
en.wikipedia.org When good conditions resume, the zygospore will germinate, undergo meiosis, and produce new haploid algal cells.
en.wikipedia.org The main defects associated with this knockout gene were developmental arrest, excess proliferation of germ cells, and failure to undergo meiosis, mitosis, or migration.
en.wikipedia.org The diploid nuclei of blastospores can then undergo meiosis, including recombination, to form haploid basidiospores that can then be dispersed.
en.wikipedia.org