Translations:Adventist Youth Honors Answer Book/Nature/Fungi/19/en

Under high stress conditions haploid cells will generally die, however under the same conditions diploid cells (cells containing a full set of chromosomes) can undergo sporulation, entering sexual reproduction (meiosis) and producing a variety of haploid spores (which have only a half-set of chromosomes), which can go on to mate (conjugate), reforming the diploid.