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
18830504	T	A	False	4	0.148	0.024	0.568	True	False	0.15/54	0.00/5	0.10/10	0.00/16	0.00/10	0.33/6	0.78/9	0.57/14	0.53/15
18830528	C	T	False	4	0.0	0.0	0.569	True	True	0.00/89	0.00/7	0.00/10	0.00/13	0.00/9	0.60/10	0.52/21	0.60/20	0.57/21
18830541	G	T	False	2	0.571		0.6	False	False	0.57/7			0.00/1		1.00/1			0.50/4
18830554	C	T	True	4	0.008	0.0	0.523	True	True	0.01/128	0.00/7	0.00/10	0.00/13	0.00/7	0.67/12	0.54/28	0.38/21	0.56/27
18830556	A	T	False	1	0.418	0.0	0.0	False	False	0.42/134	0.00/7	0.00/10	0.00/12	0.00/7	0.00/14	0.00/28	0.00/22	0.00/31
18830569	T	C	False	1	0.006	0.0	0.196	False	False	0.01/155	0.00/7	0.00/13	0.00/12	0.00/5	0.12/16	0.29/28	0.17/23	0.17/30
18830574	T	A	False	4	0.051	0.0	0.642	True	False	0.05/156	0.00/7	0.00/13	0.00/12	0.00/5	0.59/17	0.72/25	0.58/24	0.66/29
18830585	G	T	False	2	0.778		0.8	False	False	0.78/9					1.00/1			0.75/4
18830587	T	C	False	1	0.283	0.0	0.01	False	False	0.28/166	0.00/8	0.00/14	0.00/12	0.00/7	0.00/19	0.00/28	0.00/26	0.03/30
18830593	C	T	False	5	0.901	0.0	0.848	True	True	0.90/152	0.00/7	0.00/14	0.00/13	0.00/6	0.84/19	0.87/30	0.80/25	0.88/25
18830598	C	T	False	2	0.072	0.0	0.224	False	True	0.07/167	0.00/8	0.00/14	0.00/11	0.00/7	0.25/24	0.20/30	0.28/29	0.17/24