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Figure 3


Fig. 3. hap2 pollen contains a normal male germ unit. (A-D) Pollen tetrads imaged with bright field (A,C) or epifluorescence (B,D) following DAPI staining. The morphology of pollen grains, vegetative nuclei (arrows) and sperm nuclei (arrowheads) were indistinguishable in tetrads from wild-type (A,B) and hap2/HAP2 plants (C,D). Scale bars: 20 µm.