Research Article

Inter- and Intraspecific Variation in Drosophila Genes with Sex-Biased Expression

Table 3

Mean and between the African and European D. melanogaster populations.

SitesaBiasbAutosomalX-linked
(SD) (SD)

AllM0.157 (0.142)0.69 (0.35)0.266 (0.141)**0.72 (0.37)
U0.160 (0.125)0.74 (0.60)0.231 (0.231)0.87 (0.48)
F0.195 (0.161)0.56 (0.41)0.343 (0.186)*0.59 (0.30)

SynM0.164 (0.164)2.25 (1.87)0.261 (0.151)*2.68 (2.60)
U0.159 (0.139)1.94 (1.63)0.223 (0.020)2.57 (1.56)
F0.185 (0.163)1.54 (1.23)0.319 (0.209)*1.82 (1.27)

NonM0.090 (0.086)0.14 (0.12)0.185 (0.199)0.27 (0.28)
U0.107 (0.123)0.19 (0.27)0.128 (0.143)0.51 (0.80)**
F0.149 (0.171)0.12 (0.15)0.254 (0.305)0.17 (0.17)

a“All,” all sites (including introns); “Syn,” synonymous sites; “Non,” nonsynonymous sites.
b“M,” male-biased; “U,” unbiased; “F,” female-biased.
cMean pairwise differences between all African and all European sequences (in %).
dAsterisks indicate significant differences from autosomal genes by the Mann-Whitney test. * , ** .