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Table 1 The number of males (M) or females (F) measured (in parentheses) and selected in each generation of selection. The selection treatments include up attractiveness (AT), down attractiveness (UN), up preference for attractive males (PR) and control (CO).

From: Direct selection on male attractiveness and female preference fails to produce a response

Generation   Block 1 selected (measured)   Block 2 selected (measured)  
   AT UN PR CO Date AT UN PR CO Date
Parental M 50 (100) 50 (100) 50 (50) 50 (50) Feb 2000 50 (100) 50 (100) 50 (50) 50 (50) May 2000
  F 50 (50) 50 (50) 50 (100) 50 (50)   50 (50) 50 (50) 50 (100) 50 (50)  
F1 M 38 (57) 38 (57) 38 (38) 38 (38) Mar 2001 35 (57) 35 (57) 35 (35) 35 (35) May 2001
  F 40 (40) 40 (40) 40 (76) 40 (40)   40 (40) 40 (40) 40 (76) 40 (40)  
F2 M 50 (84) 50 (90) 50 (50) 50 (50) Oct 2001 50 (77) 50 (90) 50 (50) 50 (50) Jan 2002
  F 50 (50) 50 (50) 50 (95) 50 (50)   50 (50) 50 (50) 50 (114) 50 (50)