Table 3.

Transposon Insertions within Genes

Insertions in Genes	Human	Chimpanzee
Total no. insertions in genes	2,642	990
No. of unique genes hit	1,891	828
No. of promoters	50	13
No. of exons	7	4
No. of introns	2,478	973
No. of terminators	17	4
No. unclassified	90	0
No. of insertions per gene:
0	16,901	19,328
1	1,457	704
2	265	97
3	99	22
4	37	3
5	13	1
6	9	0
7	4	0
8	1	0
9	5	1
10	1	0