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Table 2 Male courtship frequency

From: Experimental evolution under hyper-promiscuity in Drosophila melanogaster

Test

Generation

SPR- mean ± S.E.

Control mean ± S.E.

F

df

P

Effects of SPR- deficiencya

 

17.2 ± 0.8

14.7 ± 0.8

4.8

1,77

0.03

Experimental evolution

16

12.2 ± 0.8

9.5 ± 0.8

5.1

1,6

0.06

Experimental evolution

26

18.3 ± 1.6

19.5 ± 1.6

0.3

1,6

0.59

  1. aCourtship frequency varied between blocks (block 1: 12.5 ± 0.8 S.E.; block 2: 19.5 ± 0.8 S.E.; F1,77 = 27.7, P < 0.0001)
  2. Effects of the SPR- deficiency itself in unselected flies, or experimental evolution in SPR- and control populations, on the number of courtship events observed during male courtship of wild-type females