From: Definition, conservation and epigenetics of housekeeping and tissue-enriched genes
 | Segmental Duplication | Copy Number Variation | Ultra Conserved Elements | Total number of genes | ||||||
---|---|---|---|---|---|---|---|---|---|---|
 | Number of genes | Percent of all genes | P-value | Number of genes | Percent of all genes | P-value | Number of genes | Percent of all genes | P-value |  |
HKGs | 88 | 5.8% | >0.05 | 218 | 14.3% | 0.03 | 35 | 2.3% | 0.03 | 1,522 |
TEGs | 119 | 12.2% | 2.9E-11 | 176 | 18.1% | 7.6E-05 | 8 | 0.8% | 0.28 | 975 |
RefSeq genes | 1195 | 6.6% | N/A | 2528 | 13.9% | N/A | 156 | 0.9% | N/A | 18149 |