Table 2. Proportion of unmethylated/methylated fragments of L. terrestris coelomocytes.

Replica I	Time point (weeks)	Unmethylated	External C methylation	Internal C methylation	Hypermethylated
Control	0	31.98±1.68	4.19±0.96	6.63±1.24	57.19±2.29
10 mg/kg Cd	0	31.78±1.64	4.82±1.32	6.82±1.00	56.58±1.69
Control	4	31.71±1.73	4.68±1.22	6.46±1.24	57.15±2.22
10 mg/kg Cd	4	30.76±1.50	4.68±1.17	6.93±0.95	57.63±1.88
Control	12	32.18±2.35	4.30±0.96	7.81±1.29	55.70±1.67
10 mg/kg Cd	12	31.55±1.36	4.26±0.93	7.66±1.22	56.53±1.63
Replica II	Time point (weeks)	Unmethylated	External C methylation	Internal C methylation	Hypermethylated
Control	0	31.01±1.68	4.51±1.04	6.26±0.90	58.22±1.81
10 mg/kg Cd	0	30.93±1.42	4.99±1.26	6.42±1.17	57.66±1.92
Control	4	30.63±2.12	4.61±1.11	5.53±1.03	59.23±1.83
10 mg/kg Cd	4	30.30±1.67	4.52±0.97	5.99±1.06	59.19±2.18
Control	12	30.44±1.94	5.04±1.27	7.05±1.10	57.47±2.00
10 mg/kg Cd	12	30.35±1.63	5.20±1.01	7.06±1.10	57.39±1.63

Proportion of unmethylated/methylated fragments across 407 MSL in replica I and 463 MSL in replica II (mean±SD) during the course of the exposure. The number of investigated earthworms in each treatment group of Replica I and II was n = 24.