TABLE 1

Dorso-ventral patterning of the egg shell in spn mutants: mei-41; spn and chk2; spn double mutants

Maternal genotypeWild-type dorsal
appendages (%)
Fused dorsal
appendages (%)
No dorsal
appendages (%)
spnC094/spnC094 (control)23/90 (26)45/90 (50)22/90 (24)
mei-41RT1 f1/mei-41D3; spnC094/spnC09478/111 (70)23/111 (21)10/111 (9)
mei-41RT1 f1/FM7c; spnB/spnB (control)37/105 (35)20/105 (19)48/105 (46)
mei-41RT1 f1/mei-41D3; spnB/spnB87/134 (65)34/134 (25)13/134 (10)
Df(2L)be408, P[w+, CG10728+] or Df(2L)pr2b, P[w+, barren+]/CyO; spnC094/spnC094 (control)30/175 (17.1)87/175 (49.7)58/175 (33.1)
Df(2L)be408; P[w+, CG10728+]/ Df(2L)p2b, P[w+, barren+]; spnC094/spnC09429/160 (18.1)85/160 (53.1)46/160 (28.75)
Df(2L)be408, P[w+, CG10728+] or Df(2L)pr2b, P[w+, barren+]/CyO; spnB/spnB (control)37/150 (24.6)13/150 (8.6)100/150 (66.7)
Df(2L)be408, P[w+, CG10728+]/ Df(2L)pr2b, P[w+, barren+]; spnB/spnB37/156 (23.7)17/156 (10.9)102/156 (65.4)
grpfsA4/CyO; spnB/spnB (control)35/110 (31.8)28/110 (25.4)47/110 (42.7)
grpfsA4/grpfsA4; spnB/spnB33/95 (34.7)26/95 (27.4)36/95 (37.9)