Practice question

Most deuteromycetes propagate asexually through conidia, non-motile mitosporic propagules produced exogenously on differentiated hyphae termed conidiophores through blastic or thallic development. Conidial types include microconidia, macroconidia, phialospores formed from phialides, porospores through pores, arthrospores via fragmentation, often multicellular, melanized, ornamented favoring airborne dispersal and stress tolerance. No ascospores, basidiospores, zygospores or flagellated zoospores develop due to absence of meiosporangia. Genetic variation arises via parasexual cycle involving heterokaryosis, diploidization and mitotic crossing over plus mutation ensuring adaptability despite lack of meiosis.