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
54991027	T	C	True	2	0.25	0.0	0.176	False	False	0.25/4	0.00/2	0.00/3	0.00/4	0.00/4	0.00/5	0.00/2	0.50/4	0.17/6
54991033	T	A	True	1	0.25	0.0	0.0	False	False	0.25/4	0.00/2	0.00/3	0.00/4	0.00/4	0.00/5	0.00/2	0.00/4	0.00/6
54991035	T	C	True	1	0.25	0.0	0.0	False	False	0.25/4	0.00/2	0.00/4	0.00/4	0.00/4	0.00/5	0.00/2	0.00/4	0.00/6
54991053	T	A	True	1		0.0	0.056	False	False	0.00/3	0.00/2	0.00/5	0.00/5	0.00/4	0.00/5	0.25/4	0.00/3	0.00/6
54991137	C	T	True	1		0.0	0.167	False	True	0.00/1		0.00/1	0.00/2	0.00/1	0.00/1	0.25/4	0.00/1	
54991139	C	T	True	1		0.0	0.167	False	True	0.00/1		0.00/1	0.00/2	0.00/1	0.00/1	0.25/4	0.00/1	
54991265	C	T	True	0	0.0		0.25	False	True	0.00/4			0.00/1		1.00/1	0.00/2		0.00/1
54991272	G	T	True	1	0.25	0.0	0.04	False	False	0.25/4	0.00/3	0.00/9	0.00/10	0.00/5	0.00/6	0.14/7	0.00/6	0.00/6
54991359	A	T	True	3	0.25	0.062	0.185	False	False	0.25/4	0.00/4	0.00/12	0.11/9	0.14/7	0.17/6	0.29/7	0.29/7	0.00/7
54991384	A	T	True	1	0.25	0.0	0.0	False	False	0.25/4	0.00/3	0.00/14	0.00/7	0.00/7	0.00/7	0.00/5	0.00/6	0.00/5
54991385	T	C	True	1	0.25	0.0	0.0	False	False	0.25/4	0.00/3	0.00/14	0.00/7	0.00/7	0.00/7	0.00/5	0.00/6	0.00/5
54991410	C	A	True	1		0.091	0.0	False	False		0.00/3	0.25/4	0.00/2	0.00/2	0.00/2	0.00/2	0.00/3	0.00/2
54991440	C	A	True	1		0.1	0.0	False	False		0.25/4	0.00/2	0.00/3	0.00/1	0.00/2	0.00/1	0.00/1	0.00/3
54991452	T	G	True	1	0.25	0.0	0.0	False	False	0.25/4	0.00/7	0.00/8	0.00/7	0.00/1	0.00/6	0.00/2	0.00/4	0.00/4
54991459	T	A	True	1	0.0	0.0	0.05	False	False	0.00/4	0.00/5	0.00/8	0.00/7	0.00/1	0.00/7	0.25/4	0.00/4	0.00/5
54991462	T	A	True	1	0.0	0.045	0.05	False	False	0.00/4	0.00/5	0.00/8	0.12/8	0.00/1	0.00/7	0.25/4	0.00/4	0.00/5
54991515	C	G	True	1		0.0	0.1	False	False	0.00/1	0.00/5	0.00/2	0.00/5	0.00/2	0.00/3	0.25/4		0.00/3
54991525	C	A	True	1		0.0	0.111	False	False	0.00/1	0.00/5	0.00/2	0.00/6	0.00/2	0.00/2	0.25/4		0.00/3
54991616	G	C	True	1	0.0	0.071	0.0	False	False	0.00/4	0.00/2	0.25/4	0.00/5	0.00/3	0.00/6	0.00/4	0.00/4	0.00/6
54991696	C	T	True	2		0.211	0.188	False	True	0.00/1	0.14/7	0.33/6	0.00/3	0.33/3	0.20/5	0.00/4	0.00/3	0.50/4
54991716	C	T	True	1		0.059	0.059	False	True	0.00/1	0.00/5	0.17/6	0.00/3	0.00/3	0.00/5	0.00/3	0.25/4	0.00/5
54991812	G	T	True	1	0.0	0.045	0.0	False	False	0.00/8	0.00/8	0.00/5	0.25/4	0.00/5	0.00/6	0.00/6	0.00/6	0.00/10
54991868	G	A	True	1	0.125	0.0	0.192	False	True	0.12/8	0.00/8	0.00/4	0.00/5	0.00/5	0.00/5	0.50/6	0.00/6	0.22/9
54991895	C	G	True	1		0.0	0.069	False	False	0.00/3	0.00/5	0.00/8	0.00/6	0.00/3	0.25/8	0.00/4	0.00/9	0.00/8
54991899	G	A	True	7	0.8	0.526	0.586	False	True	0.80/10	0.67/6	0.67/3	0.00/5	0.80/5	0.33/6	0.33/6	1.00/8	0.56/9
54991921	C	A	True	1	0.2	0.105	0.0	False	False	0.20/5	0.40/5	0.00/6	0.00/5	0.00/3	0.00/9	0.00/7	0.00/7	0.00/7
54991928	C	A	True	1	0.2	0.045	0.0	False	False	0.20/5	0.25/4	0.00/7	0.00/6	0.00/5	0.00/9	0.00/7	0.00/7	0.00/5
54991929	A	T	True	1	0.091	0.061	0.0	False	False	0.09/11	0.25/8	0.00/10	0.00/8	0.00/7	0.00/16	0.00/10	0.00/14	0.00/9
54991931	G	T	True	1	0.0	0.1	0.0	False	False	0.00/6	0.25/4	0.00/2	0.00/2	0.00/2	0.00/7	0.00/3	0.00/8	0.00/4