Figure 3.

Comparison of male and female gene expression in mammals. In mouse (a) and humans (b), each tissue has a distinct distribution of M:F ratios, but in each case the distribution for X genes (red line) fits closely to the distribution for A genes (dotted black line). LB, lymphoblastoid cell lines. PBM cells, peripheral blood mononuclear cells. Arrows point to regions where the X and A curves diverge, or to the inflection point in the mouse adipose tissue curve.

Itoh et al. Journal of Biology 2007 6:2   doi:10.1186/jbiol53
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