Fig. 4: The expression level (FPKM) of alleles of pair genes in male and female.

Xm X allele in male, Ym MSY allele in male, XXf two X allele in female, Xf one X allele in female
Xm X allele in male, Ym MSY allele in male, XXf two X allele in female, Xf one X allele in female