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
3937069	C	T	True	1	0.0	0.0	0.067	False	True	0.00/4	0.00/2	0.00/1	0.00/5	0.00/4	0.00/8	0.00/2	0.25/4	0.00/1
3937074	C	T	True	1	0.25	0.0	0.0	False	True	0.25/4	0.00/1	0.00/1	0.00/5	0.00/4	0.00/7	0.00/2	0.00/3	0.00/1
3937085	C	A	True	1	0.25	0.0	0.0	False	False	0.25/4	0.00/1	0.00/1	0.00/4	0.00/4	0.00/7	0.00/2	0.00/4	0.00/1
3937097	T	C	True	1	0.0	0.056	0.0	False	False	0.00/6	0.00/4	0.00/4	0.00/6	0.25/4	0.00/9	0.00/4	0.00/5	0.00/1
3937106	C	A	True	2	0.4	0.143	0.0	False	False	0.40/5		0.00/1	0.25/4	0.00/2	0.00/6	0.00/2	0.00/4	0.00/1
3937107	C	A	True	1	0.0	0.143	0.0	False	False	0.00/6		0.00/1	0.25/4	0.00/2	0.00/6	0.00/2	0.00/4	0.00/1
3937114	A	C	True	1	0.0	0.059	0.0	False	False	0.00/7	0.00/2	0.00/4	0.00/7	0.25/4	0.00/10	0.00/4	0.00/5	0.00/1
3937144	C	A	True	2	0.5	0.2	0.083	False	False	0.50/6			0.25/4	0.00/1	0.00/6	0.00/2	0.33/3	0.00/1
3937183	C	A	True	1	0.0	0.2	0.091	False	False	0.00/5			0.25/4	0.00/1	0.17/6	0.00/2	0.00/3	
3937220	C	A	True	1	0.4		0.0	False	False	0.40/5			0.50/2		0.00/6	0.00/1	0.00/3	
3937237	C	T	True	1	0.25		0.0	False	True	0.25/4			0.00/2	0.00/1	0.00/7	0.00/1	0.00/3	
3937258	C	A	True	1	0.25		0.0	False	False	0.25/4			0.00/1	0.00/1	0.00/5	0.00/2	0.00/4	
3937263	C	A	True	1	0.25		0.0	False	False	0.25/4			0.00/1	0.00/1	0.00/4	0.00/2	0.00/4	
3937264	C	A	True	1	0.0		0.1	False	False	0.00/4			0.00/1	0.00/1	0.25/4	0.00/2	0.00/4	
3937267	C	T	True	1	0.5		0.0	False	True	0.50/4			0.00/1	0.00/1	0.00/3	0.00/2	0.00/4	
3937313	C	T	True	1	0.25	0.0	0.0	False	True	0.25/4	0.00/1			0.00/3	0.00/2	0.00/2	0.00/6	
3937337	T	C	True	1	0.25	0.0	0.0	False	False	0.25/4	0.00/1	0.00/1		0.00/7	0.00/5	0.00/7	0.00/7	0.00/2
3937436	A	C	True	1		0.0	0.059	False	False			0.00/1	0.00/1	0.00/3	0.00/4	0.00/7	0.25/4	0.00/2
3937494	A	G	True	0		0.25	0.0	False	False			0.00/1	1.00/1	0.00/2	0.00/5	0.00/4	0.00/4	0.00/1
3937500	A	T	True	1		0.0	0.083	False	False			0.00/1	0.00/1	0.00/2	0.00/5	0.25/4	0.00/2	0.00/1
3937504	A	G	True	0		0.25	0.0	False	False			1.00/1	0.00/1	0.00/2	0.00/5	0.00/2	0.00/2	0.00/1
3937505	A	G	True	0		0.25	0.0	False	False			1.00/1	0.00/1	0.00/2	0.00/5	0.00/2	0.00/2	0.00/1
3937506	T	A	True	0		0.25	0.0	False	False			1.00/1	0.00/1	0.00/2	0.00/5	0.00/2	0.00/2	0.00/1
3937616	A	T	True	1			0.125	False	False	0.00/1	0.00/1	0.00/1	0.00/1		0.25/4	0.00/1	0.00/2	0.00/1
3937914	A	T	True	1		0.25		False	False	0.00/3			0.25/4				0.00/1	
3937924	G	T	True	1		1.0		False	False	1.00/3			1.00/4				0.00/1	
3937925	G	A	True	1		0.25		False	True	0.00/3			0.25/4				0.00/1	
3937935	A	G	True	1		0.5		False	False	1.00/3			0.50/4				0.00/1	
3937942	A	G	True	1	0.25	0.0		False	False	0.25/4			0.00/4				0.00/1	
3937943	G	T	True	1		0.25		False	False	0.00/3			0.25/4				0.00/1	
3937945	T	G	True	1	0.25	0.0		False	False	0.25/4			0.00/4				0.00/1	
3937964	T	G	True	1	0.5	0.0		False	False	0.50/4			0.00/4				0.00/1	
3937971	T	A	True	1	0.0	0.25		False	False	0.00/4			0.25/4			0.00/1	0.00/1	
3937976	A	T	True	1	0.75			False	False	0.75/4			0.00/3			0.00/1	0.00/1	
3937979	A	T	True	1	0.5	0.0		False	False	0.50/4			0.00/4			0.00/1	0.00/1	
3937980	A	T	True	1	0.0	0.25		False	False	0.00/4			0.25/4			0.00/1	0.00/1