Genetics and genomics of Drosophila mating behavior

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   Fig. 1.

   Phenotypic response to selection for copulation latency. (A) Mean mating speed of selection lines. ▴, Fast lines; ▿, Slow lines; ○, Control lines. (B) Regressions of cumulated response on cumulated selection differential for Fast and Slow selection lines. ▴, Replicate 1, Fast; ▵, Replicate 2, Fast; ▾, Replicate 1, Slow; fl, Replicate 2, Slow. (C) Regressions of cumulated response on cumulated selection differential for divergence between Fast and Slow selection lines. •, Replicate 1; ○, Replicate 2. (D) Mating speeds averaged over generations 18, 20, and 21 for Fast females paired with Fast males (FF), Fast females paired with Slow males (FS), Slow females paired with Slow males (SS), and Slow females paired with Fast males (SF). The subscripts denote Replicates 1 and 2, respectively. A, B, and C indicate the results of Tukey tests. Groups with the same letter are not significantly different. (E) Male courtship latency. Groups are the same as in D.(F) Male courtship intensity. Groups are the same as in D.

   
   
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   Fig. 2.

   Relative log₂ fold changes in transcript abundance in Fast vs. Slow selection lines. (A) Male-specific transcripts. (B) Female-specific transcripts. (C) Both sexes.

   
   
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   Fig. 3.

   Chromosomal distribution of transcripts on the major chromosome arms. ^*, χ² ₄, P < 0.001.