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Meiotic progression from late prophase to tetrad formation. (A and B) Meiotic progression from late prophase to tetrad formation in two anthers of a WT flower (A) and in one anther of a VF cdka;1/− mutant plant (B). Tubulin (RFP) in magenta highlights microtubules during meiosis I to meiosis II transition. The interval between image acquisitions is 7 min. Time format (h:min). Scale bar, 10 µm. Frame rate is 5 frames per second.
