Mitosis
Penicillium reproduces asexually and forms genetically identical spores by mitosis.
Explanation:
In fungi, spores are produced in a structure called sporangium. This is a bulb-like structure at the tip of the sporangiophore. The parent cells (usually haploid because the fungi spend most of their life cycle in the haploid phase) divides and produces spores by mitosis. This produces haploid spores that are dispersed and readily germinate into haploid hyphae.
Learn More:
For more on asexual reproduction in fungi check out;
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