extremely significantP < 0.0001
The analysis of the median expression of annotated genes located on each chromosome highlighted an extremely significant reduction (Wilcoxon rank-sum P < 0.0001) of X -linked genes expression in the premeiotic population I, showing a median value of 37.0 log2(FPKM), compared to the meiotic population II (8.1 log2(FPKM)) and III (1.5 log2(FPKM)), as well as the postmeiotic population IV (1.9 log2(FPKM)).