Table 2.

Tissue distribution of expressed lineage-specific genes

Type of genes	Gonad	Brain	Liver	Kidney	Sense organ
Orphan genes	12(50.0 %)	1(4.2 %)	1(4.2 %)	2(8.3 %)	2(8.3 %)
CTSGs	17(19.5 %)	22(25.3 %)	13(14.9 %)	9(10.3 %)	19(21.8 %)