Table 2

Expression polymorphism in sex-biased genes

Sex-bias classification

Feature

Female

Male

Unbiased


Number of genes on array

4002

2572

5988

Percentage of genes detected as expressed

56.1*

36.5*

44.8

Percentage of expressed genes:

Polymorphic in Europe

5.1

5.1

4.6

Polymorphic in Africa

8.0

9.3

8.5

Polymorphic overall

23.8

24.4

24.7

Differentially expressed between populations

8.4

10.9

11.6

Average percentage of pairwise differences:

Within Europe

0.16

0.18

0.17

Within Africa

0.25

0.32

0.30

Overall

0.65

0.87

0.79


Genes were classified using the 5% FDR meta-analysis of the Sebida database [27]. *Significantly different from unbiased genes (FET, P < 0.0001). Significantly different from male-biased (FET, P < 0.05) and unbiased (FET, P < 0.001) genes.

Müller et al. BMC Genomics 2011 12:81   doi:10.1186/1471-2164-12-81

Open Data