Germ line mutants used in this study:
All animals are stained with DAPI. A. wild type: germ line has bright compact sperm nuclei stored in the spermatheca (black triangles), oocytes with condensed chromosomes in the promial arm (arrow), and meiotic and mitotic cells (open triangles). B. glp-4(bn2): animals lack germ line nuclei in the somatic gonad. C. fem-3(gf): animals have large numbers of developing sperm in the proximal gonad (black triangles) but no oocytes. D. fem-1(lf): animals lack sperm, but have oocytes (arrows). The bar represents 50 um.
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