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Unformatted text preview: zygospores are released under good conditions, spores sprout to form new mycelium-3. ascomycota o sac fungi o produce spore filled sacs called asci, spores are called ascospores o two major groups hemiascomycetes many species are unicellular (yeast) reproduce asexually by fission or budding reproduce sexually, two cells of opposite mating types fuse to produce a dikaryon and a zygote this zygote undergoes meiosis and sometimes mitosis to produce ascospore within an ascus Euascomycetes filaments ascomycetes including neurospora, chestnut blight, dutch elm disease, powdery mildews, penicillium reproduce asexually by elongation or by producing conidia (conidia produce conidiospores) reproduce sexually o two mating types fuse o form dikaryic hyphae o at the ends of the hyphae, sacs are produced called asci o fertilization occurs, meiosis and mitosis occur to produce 8 ascospores (all happens inside asci)...
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