From: Strand bias structure in mouse DNA gives a glimpse of how chromatin structure affects gene expression
Genome
Number of TSSs upstream
Number of TSSs downstream
Total
Proportion
i
ii
iii
iv = ii + iii
v = iii/iv
A
real
5738
10033
15771
63.6%
B
hybrid
3791
6072
9863
61.6%
C
A – B
1947
3961
5908
67.0% (X)