Table 2.

SNV calling in nine-animal pedigree

Individuals	Youngest budded 2018		Middle budded 2012			Oldest budded 2006			Mother
Age (years)	0.08	0.08	7.20	7.30	8.10	11.10	12.00	12.30	12.60
# Raw reads	193.91	151.63	290.73	304.89	302.57	281.69	301.31	304.27	191.77
# Mapped reads (million)^a	146.97	114.18	199.57	209.62	206.60	191.17	200.59	217.67	143.28
% Mapped reads^a	80.08	79.76	72.02	71.98	71.65	70.96	69.52	74.63	79.03
Mother versus buds (2006–2018)
# Downsampled reads (million)	141.19	141.18	141.18	141.19	141.17	141.18	141.18	141.18	-
# Covered bases^b	442.90	444.13	440.64	436.60	446.12	444.74	442.49	444.50	-
% Genome covered^b	0.52	0.52	0.52	0.51	0.52	0.52	0.52	0.52	-
# Combined variants	98	113	86	89	111	107	96	109	-
Individuals versus reference (≪1973 until last sexual reproduction)
# Covered bases (million)^b	654.78	673.32	475.15	567.36	669.09	684.24	665.69	678.00	564.77
% Genome covered^b	76.69	78.86	55.65	66.45	78.37	80.14	77.97	79.41	66.15
# Variants (million)	4.60	4.69	3.38	3.98	4.67	5.21	4.64	4.71	4.75
# Variants in CDS (million)	0.18	0.18	0.14	0.16	0.18	0.18	0.18	0.18	0.16

Hydra has mammal-like mutation rates facilitating fast adaptation despite its nonaging phenotype