Table S1: Number of reads obtained by paired-end sequencing and retained after trimming and mapping. Table S2: List of genes that are DE in at least one of the four contrasts. Table S3: List of genes that are strongly DE in at least one of the four contrasts and their functional annotations. Table S4: List of DE genes in the NMP region and their functional annotations. Table S5: List of genes known to be involved in sex determination in Daphnia magnaor related species.