pos	ref	alt	in_target	n_oysters_with_alt	alt_freq_Pum	alt_freq_Qui	alt_freq_Rio	pop_differentiated	cpg_destroying	Pum1	Qui1	Qui2	Qui3	Qui4	Rio1	Rio2	Rio3	Rio4
18341874	T	C	False	6	0.8	0.444	0.19	False	False	0.80/10	0.60/5	0.35/26	0.53/15	0.50/8	0.06/34	0.46/24	0.08/25	0.23/22
18341888	G	A	False	3	0.0	0.0	0.233	False	True	0.00/6	0.00/2	0.00/6	0.00/7	0.00/6	0.25/8	0.25/8	0.17/6	0.25/8
18341890	T	C	False	4	0.6	0.333	0.207	False	False	0.60/15	0.33/3	0.36/28	0.40/15	0.18/11	0.16/38	0.44/25	0.19/27	0.08/26
18341917	T	C	False	4	0.65	0.359	0.211	False	False	0.65/20	0.22/9	0.35/34	0.50/22	0.23/13	0.13/47	0.38/32	0.21/29	0.15/20