GFP inserted at the C terminus of plk-1 followed by LoxP generated by Cre-mediated excision of unc-119(+) cassette. Reference: Martino L. et al. Dev Cell. 2017 Oct. 23; 43(2):157-171.

Small. Male tail abnormal: ray fusions between rays 4 and 5, 6 and 7, 8 and 9. Crumpled spicules. Recessive. Null.