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. Author manuscript; available in PMC: 2012 Aug 23.
Published in final edited form as: Curr Biol. 2011 Aug 11;21(16):1416–1420. doi: 10.1016/j.cub.2011.07.034

Figure 1. C. remanei is predisposed to make sexually dimorphic sperm.

Figure 1

A. Photomicrographs of sperm that had been isolated from dissected animals and activated with pronase. In these Differential Interference Contrast images, the cross-sectional areas of the sperm were calculated using Zeiss Axiovision software. B. Histograms showing the size of sperm isolated from individuals of the indicated species and sex. In both panels, the symbol Ψ stands for “pseudo”. For each genotype, “n” indicates the number of sperm that were measured, and these sperm were isolated from at least three different individuals. The sizes of sperm produced by males and hermaphrodites were compared using the Mann-Whitney U test [42].