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
21812366	G	A	False	1		0.0	0.2	False	True	1.00/2	0.00/2		0.00/2	0.00/2	0.00/1	0.00/4	0.00/1	0.50/4
21812372	T	C	False	1	0.125	0.0	0.089	False	False	0.12/16	0.00/8	0.00/7	0.00/10	0.00/6	0.27/11	0.08/12	0.00/4	0.00/18
21812404	T	C	False	4	0.8	0.0	0.629	True	False	0.80/10	0.00/7	0.00/6	0.00/9	0.00/6	1.00/8	0.50/10	0.00/4	0.69/13
21812446	C	G	False	1	0.0	0.048	0.0	False	False	0.00/6	0.25/4	0.00/5	0.00/6	0.00/6	0.00/2	0.00/2	0.00/1	0.00/5
21812452	C	A	False	1	0.0	0.048	0.0	False	False	0.00/6	0.25/4	0.00/5	0.00/6	0.00/6	0.00/2	0.00/2	0.00/1	0.00/2