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
18830484	A	C	False	3	0.875	0.023	0.211	False	False	0.88/32	0.00/6	0.00/11	0.00/16	0.09/11	0.25/4	0.50/6	0.23/13	0.07/15
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	True	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	False	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