Table 4 Significant epistatic effects that affect pigmentation between D. tenebrosa and D. suboccidentalis

From: Two genomic regions together cause dark abdominal pigmentation in Drosophila tenebrosa

Backcross F2 population

Sex

Marker 1 (LG)

Marker 2 (LG)

Effect (s.e.)

Effect/σP

P-valuea

To D. suboccidentalis

F

y (1)

burs (3)

0.548 (0.16)

0.521

0.0009

  

y (1)

en (4)

0.859 (0.32)

0.818

0.0082

To D. tenebrosa

F

burs (3)

en (4)

−0.516 (0.14)

−0.503

0.0004

  

burs (3)

ple (6)

0.463 (0.15)

0.451

0.0034

 

M

y (1)

burs (3)

−1.271 (0.33)

−0.918

0.0002

  

y (1)

b (2)

0.876 (0.41)

0.633

0.0327

  

en (4)

b (2)

−1.233 (0.51)

0.890

0.0174

  1. Abbreviations: LG, linkage group; σP, standard deviation of the phenotype.
  2. Effects that are significant after Bonferroni correction are in bold.
  3. aBonferroni correction to D. suboccidentalis: 0.05/20=0.0025 and to D. tenebrosa: 0.05/15=0.0033.