TABLE 1

Temperature-sensitive maternal-effect sterility of meg-1 mutants

% sterile (n)
Genotype15°20°25°
Maternal-effect sterility of meg-1 mutants
P0 meg-1(vr10)/+ at 20°
F1 meg-1(vr10)0 (5)0 (5)0 (4)
F2 meg-1(vr10)a13 (379)1 (925)75 (734)
F1 meg-1(vr10)/+0 (8)0 (9)0 (5)
F2 +/+, meg-1(vr10)/+, and meg-1(vr10)a0 (619)0 (1344)0 (736)
P0 meg-1(vr11)/+ at 20°
F1 meg-1(vr11)0 (3)0 (4)0 (3)
F2 meg-1(vr11)a8 (239)0 (461)45 (447)
F1 meg-1(vr11)/+0 (9)0 (7)0 (8)
F2 +/+, meg-1(vr11)/+, and meg-1(vr11)a0 (855)0 (882)0 (1011)
Zygotic meg-1 does not rescue sterility
meg-1(vr10)NDND49 (220)
meg-1(vr10) × N2 maleNDND49 (384)
meg-1(vr11)NDND47 (187)
meg-1(vr11) × N2 maleNDND30 (279)
  • Animals were considered sterile if they displayed an “empty uterus” phenotype when observed under the dissecting microscope. F1's and F2's were raised at the indicated temperature. ND, not determined.

  • a These F2 progeny are derived from the F1 mothers from the previous row.