Question

Dikaryotic cells are formed in ___________.

• A. Phycomycetes
• B. Ascomycetes
• C. Basidiomycetes
• D. Both B and C

Answer 1

Answer: (D)

Both B and C

• Dikaryon formation begins with the fusion of hyphal cells between compatible monokayons .
• The monokaryon stage of the Basidiomycotina is short-lived and fusion with a compatible monokaryon occurs soon after basidiospore germination.
• The dikaryon is the mycelium that produces the basidiocarp, and as in the Ascomycota, only certain dikaryotic cells will function in basidia and basidiospore formation, e.g. dikaryotic cells