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
17982436	T	A	False	5	0.917	0.0	0.833	True	False	0.92/12	0.00/9	0.00/15	0.00/9	0.00/10	0.69/16	1.00/13	0.67/9	1.00/10
17982450	C	T	False	5	0.833	0.0	0.871	True	True	0.83/6	0.00/8	0.00/12	0.00/4	0.00/10	0.70/10	1.00/10	0.75/4	1.00/7
17982472	T	C	False	5	1.0	0.0	0.792	True	False	1.00/7	0.00/6	0.00/17	0.00/9	0.00/11	0.61/18	1.00/13	0.62/8	1.00/9
17982482	C	T	True	4		0.0	0.794	True	True	1.00/2	0.00/5	0.00/12	0.00/4	0.00/11	0.62/13	1.00/9	0.60/5	1.00/7
17982505	A	G	False	5	0.714	0.0	0.698	True	False	0.71/7	0.00/6	0.00/15	0.00/8	0.00/11	0.41/17	1.00/10	0.57/7	1.00/9
17982515	G	T	False	1	0.25	0.0	0.0	False	False	0.25/4	0.00/1	0.00/5	0.00/5	0.00/1	0.00/4	0.00/2	0.00/3	0.00/1
17982516	T	G	False	1	0.0	0.045	0.0	False	False	0.00/7	0.25/8	0.00/17	0.00/9	0.00/10	0.00/15	0.00/9	0.00/8	0.00/9