Figure 7.

Sperm production by folt-1 knockout mutant and folt-1/+ heterozygous males. Sperm numbers within the reproductive tracts were tallied at the adult molt and one hour later. folt-1/+ heterozygous males produced wild-type numbers of sperm, but folt-1 knockout mutants had very few sperm, producing only about 3 per hour.

Austin et al. BMC Developmental Biology 2010 10:46   doi:10.1186/1471-213X-10-46
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