Definitions

• ascomycetes: meitotic progeny (spores) are encased within a shell called an ascus (sac)

  Includes yeast and morels

  Status of the S. cerevisiae genome

• basidiomycetes: Spores are produced on the outside of a cell called the basidium, which is a reproductive structure.

  Includes mushrooms and puffballs

• zygomycetes: Produce spores within which the gametic products will fuse (zugotos = yoked, joined)

  Includes bread molds