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REPRODUCTION OF FUNGI - (see figures in lab manual A...

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REPRODUCTION OF FUNGI 1. Sporulation A. Formation of spores B. Formed by sexual or asexual process C. Asexual - formed by cells of one organism D. Sexual - formed as a result of the fusion of the nuclei of two opposite mating type 2. Characteristics of fungal spores : A. Consists of DNA surrounded by spore wall B. Haploid C. Survive environmental conditions a. Not as resistant as bacterial endospores b. Can be destroyed by boiling, chemicals, etc. D. Capable of germinating when introduced into favorable environment E. Dormant - metabolically inactive F. Light - air borne, dust borne, spread by water, insects, animals G. Highly allergenic 3. Asexual spores - describe each of these
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Unformatted text preview: : (see figures in lab manual) A. Blastospores - yeast, some molds B. Arthrospores – molds C. Chlamydospores - molds D. Conidiospores - molds E. Sporangiospores - molds 4. Formation of sexual spores : A. Two haploid cells, (+) and (-) fuse B. Dikaryotic cell – contains two haploid nuclei C. Nuclei fuse → diploid cell (zygote) D. Diploid nucleus → meiosis → haploid spores E. Haploid spores → mitosis → 2 → 4 → 8 5. Types of sexual spores - describe these : (see figures in lab manual) A. Ascospores - yeast, some molds B. Zygospores – molds (filamentous) C. Basidiospores - complex molds (mushrooms)...
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