CDK1 and Infertility: This phenotype could be suppressed by the co-depletion of CDK-1 and WEE-1.3, resulting in broods of more than 100 one-cell arrested embryos, whereas co-depletion of an unrelated dsRNA (zyg-1) did not suppress the infertility of WEE-1.3 depletion (Burrows et al. 2006).