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Table 2 The sex ratio in male-killer infected isofemale lines from Hokkaido following transfer of the introgressed infected lines to 23.5°. 'All-female' classification represents cases where both replicates produced all female broods. Where males were produced within a female-biased sex ratio, data is given separately for each replicate of the isofemale line.

From: Host resistance does not explain variation in incidence of male-killing bacteria in Drosophila bifasciata

Generation

Sex ratio

No. of lines

Line-replicate: male

n

  

progeny/total

F1

All female

20

 
 

Female biased

0

 

F2

All female

20

 
 

Female biased

0

 

F3

All female

16

 
 

Female biased

4

11-1 no males 11-2: 1/21

   

19-1: 1/28 19-2: no males

   

23-1: 1/37 23-2: no males

   

25-1: 1/11 25-1: no males

F4

All female

20

 
 

Female biased

0

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