Table 1

Expression levels in males and females of all Z genes and compensated and non-compensated Z genes


All Z genes
Compensated Z genes
Non-compensated Z genes

Male brain
228 ± 12
179 ± 15
295 ± 23
Female brain
162 ± 8
161 ± 13
169 ± 14




Male liver
366 ± 30
263 ± 32
596 ± 78
Female liver
287 ± 24
248 ± 30
363 ± 48




Male heart
388 ± 24
317 ± 33
567 ± 49
Female heart
280 ± 18
283 ± 28
332 ± 29

Data are mean ± standard error of the mean. Compensated genes are those with an M:F ratio below 1.3; not compensated genes are those with an M:F ratio above 1.5.

Melamed and Arnold Genome Biology 2007 8:R202   doi:10.1186/gb-2007-8-9-r202

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