Table 1.
Distribution of microarray targets showing significant (p < 0.05) expression differences between male and female 18 day embryos in brain, heart, and gonad.
| Tissue | Significantly Expressed Targets | Absolute log2 Fold Change | Female | Male | Total Biased Targets | |
| Heart | Autosomes | 11892 | > 1 | 122 (1.0%) | 44 (0.4%) | 166 (1.4%) |
| > 1.5 | 30 (0.3%) | 7 (0.06%) | 37 (0.4%) | |||
| > 2 | 14 (0.1%) | 2 (0.02%) | 16 (0.3%) | |||
| Z chromosome | 480 | > 1 | 7 (1.4%) | 54 (11.3%) | 61 (12.7%) | |
| > 1.5 | 4 (0.8%) | 10 (2.1%) | 14 (2.9%) | |||
| > 2 | 4 (0.8%) | 1 (0.2%) | 5 (1.0%) | |||
| Brain | Autosomes | 12454 | > 1 | 55 (0.4%) | 72 (0.6%) | 127 (1%) |
| > 1.5 | 16 (0.2%) | 17 (0.1%) | 33 (0.3%) | |||
| > 2 | 8 (0.06%) | 5 (0.04%) | 13 (0.1%) | |||
| Z chromosome | 525 | > 1 | 4 (0.8%) | 78 (15%) | 82 (15.8%) | |
| > 1.5 | 3 (0.6%) | 4 (0.8%) | 7 (1.4%) | |||
| > 2 | 2 (0.4%) | 0 (0.0%) | 2 (0.4%) | |||
| Gonad | Autosomes | 12746 | > 1 | 1292 (10.1%) | 936 (7.4%) | 2228 (17.5%) |
| > 1.5 | 751 (5.9%) | 474 (3.7%) | 1225 (9.6%) | |||
| > 2 | 484 (3.8%) | 251 (2.0%) | 735 (5.8%) | |||
| Z chromosome | 555 | > 1 | 27 (4.9%) | 187 (33.7%) | 214 (38.6%) | |
| > 1.5 | 20 (3.6%) | 71 (12.8%) | 91 (16.4%) | |||
| > 2 | 12 (2.2%) | 28 (5.0%) | 40 (7.2%) | |||
| All tissues* | Autosomes | 9124 | > 1 | 3 (0.03%) | 1 (0.01%) | 4 (0.04%) |
| Z | 372 | > 1 | 0 (0%) | 15 (4.0%) | 15 (4.0%) | |
* same direction