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Table 1.

Effects of temperature, parental genotype and gene dosage on it143 mutant phenotypes

Maternal genotypeTemperature (°C)Embryonic lethality (%)*Reversed progeny (%)*
Wild type (N2) 16 <1 
Wild type (N2) 25 
it143/it143 16 
it143/it143 20 30 19 
it143/it143 25 70 39 
it143/+ 16 <1 
it143/+ 25 <1 
it143/it143/+ 16 <1 
it143/0 16 33 
it143/0 25 75 23 
it143/it143 × +/+ males 25 68 41 
+/+ × it143/it143 males 25 <1 
Maternal genotypeTemperature (°C)Embryonic lethality (%)*Reversed progeny (%)*
Wild type (N2) 16 <1 
Wild type (N2) 25 
it143/it143 16 
it143/it143 20 30 19 
it143/it143 25 70 39 
it143/+ 16 <1 
it143/+ 25 <1 
it143/it143/+ 16 <1 
it143/0 16 33 
it143/0 25 75 23 
it143/it143 × +/+ males 25 68 41 
+/+ × it143/it143 males 25 <1 
*

Among progeny of survivors. At least 200 embryos were scored for each entry.

Genotype it143 I; sDp2 (I;f).

Genotype it143/hDf10 I. Lethality figures corrected for inviability of hDf10 homozygous progeny.

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