Plasmogamy and karyogamy are two stages of the sexual phase of fungi. In plasmogamy, _____ of two hyphae are fused together whereas karyogamy refers to the fusion of   ______ hyphae.

• A. hyphae; spores
• B. cytoplasm; nuclei
• C. cell wall; cytoplasm
• D. DNA; spores

Answer: (B)