Multiple choice Choose the incorrect one. Pachytene – Crossing over Chiasmata – Diplotene Replication – S-phase Phragmoplast – Cell membrane Reveal answer Fill a bubble to check yourself D Correct answer Explanation The phragmoplast is a plant cell specific structure that forms during late cytokinesis. It serves as a scaffold for cell plate assembly and subsequent formation of a new cell wall, separating the two daughter cells.