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
48746499	C	A	False	1	0.25	0.0	0.0	False	False	0.25/4	0.00/3	0.00/2	0.00/1	0.00/2	0.00/4	0.00/3	0.00/4	0.00/4
48746502	C	G	False	1	0.25	0.0	0.0	False	False	0.25/4	0.00/3	0.00/2	0.00/1	0.00/2	0.00/4	0.00/3	0.00/4	0.00/4
48746504	C	A	False	1	0.25	0.0	0.0	False	False	0.25/4	0.00/3	0.00/2	0.00/1	0.00/2	0.00/4	0.00/3	0.00/4	0.00/4
48746517	G	T	False	1		0.0	0.167	False	False	0.00/1	0.00/1	0.00/4	0.00/3	0.00/1	0.00/4	0.50/2	0.25/4	0.00/2
48746518	G	T	False	1		0.0	0.167	False	False	0.00/1	0.00/1	0.00/4	0.00/3	0.00/1	0.00/4	0.50/2	0.25/4	0.00/2
48746569	C	T	False	1	0.25	0.0	0.0	False	True	0.25/4	0.00/2	0.00/1	0.00/2	0.00/2	0.00/2	0.00/3	0.00/3	0.00/3