Table 1. Summary of sequencing quality.

Samples	Raw reads	Clean reads	Clean bases (bp)	Error%	Q20%	Q30%	GC%
Old 1	88089696	87982698	12619031100	0.0242	98.33	95	49.11
Old 2	90157914	90082856	12818911171	0.0237	98.58	95.46	48.34
Old 3	116152404	115990710	16621722517	0.0236	98.62	95.54	47.85
Young 1	89679340	89476230	12716644800	0.024	98.4	95.16	46.73
Young 2	102798714	102703152	14984574299	0.0237	98.6	95.48	47.39
Young 3	96527976	96442550	13850012035	0.0243	98.35	94.78	47.98
Summary	583406044	582678196	83610895922