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Table 1.

Phenotypes of sqt-/-, cyc-/-,sqt-/-; cyc+/- and sqt-/-;cyc-/- mutants

Parental genotypeMutant genotypeTotal number of mutantsNumber with normal shields at 6 hNumber with two eyes at 1 dNumber with swim bladder at 5 dNumber with fused somites at 12 hNumber with Kupffer's vesicle at 12 h
cyc+/- cyc-/- 32 32 nd nd 
sqt+/- sqt-/- 24 22 18 nd nd 
sqt+/-;cyc+/- sqt+/+; cyc-/- or sqt+/-;cyc-/- 18 18 nd nd 
 sqt-/-; cyc+/+ nd nd 
 sqt-/-; cyc+/- 10 nd nd 
 sqt-/-; cyc-/- nd nd nd 
sqt+/-; cyc+/- × sqt+/-;cyc+/+ sqt-/-; cyc+/+ 12 nd nd nd 
 sqt-/-; cyc+/- 11 nd nd nd 
Parental genotypeMutant genotypeTotal number of mutantsNumber with normal shields at 6 hNumber with two eyes at 1 dNumber with swim bladder at 5 dNumber with fused somites at 12 hNumber with Kupffer's vesicle at 12 h
cyc+/- cyc-/- 32 32 nd nd 
sqt+/- sqt-/- 24 22 18 nd nd 
sqt+/-;cyc+/- sqt+/+; cyc-/- or sqt+/-;cyc-/- 18 18 nd nd 
 sqt-/-; cyc+/+ nd nd 
 sqt-/-; cyc+/- 10 nd nd 
 sqt-/-; cyc-/- nd nd nd 
sqt+/-; cyc+/- × sqt+/-;cyc+/+ sqt-/-; cyc+/+ 12 nd nd nd 
 sqt-/-; cyc+/- 11 nd nd nd 

nd, not determined; h, hours post-fertilization; d, days post-fertilization.

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