slightly significantP = 3.28 × 10 −2
A slightly significant weak correlation between transcription levels and BrdU track length was observed in euchromatin (Pearson’s R = −0.07, P = 3.28 × 10 −2 , n = 817), but no significant correlation was determined in heterochromatin (Pearson’s R = −0.02, P = 6.11 × 10 −1 , n = 762) ( Fig. 4C ).