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Table 2 Number of sex-biased genes

From: Population and sex differences in Drosophila melanogaster brain gene expression

Expression Total genes X-linked (%) P
Sex-biased 91 52 (57) 2x10-16
Male-biased 49 39 (80) 2x10-16
Female-biased 42 13 (31) 0.017
  1. Enrichment on the X chromosome was tested by Fisher’s exact test.