Cuticle pattern shows no obvious defect. CNS has variable defects, ranging from completely disordered ventral nerve cord to a few broken commissures.
Heterozygotes exhibit defects in the structure and function of the male meiotic spindle.
recessive zygotic lethal dominant maternal effect embryonic semi-lethal
Second site lethal.
Associated with "semidominant maternal effect embryonic semi-lethal" phenotype.