Females heterozygous for grpGL00067 and MTD-Gal4 (consists of Scer\GAL4otu.T:Hsim\VP16, Scer\GAL4nos.PG and Scer\GAL4nos.UTR.T:Hsim\VP16) crossed to grpGL00067 males results in: 0% hatching; egg/embryonic phenotype: "empty, all white"; maternal effect.