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
1900175	A	G	False	1	0.0	0.0	0.048	False	False	0.00/11	0.00/8	0.00/14	0.00/19	0.00/15	0.00/5	0.00/3	0.25/4	0.00/9
1900176	T	G	False	1	0.0	0.0	0.048	False	False	0.00/11	0.00/8	0.00/14	0.00/19	0.00/15	0.00/5	0.00/3	0.25/4	0.00/9
1900179	T	C	False	1	0.091	0.0	0.045	False	False	0.09/11	0.00/8	0.00/13	0.00/19	0.00/15	0.00/5	0.00/4	0.25/4	0.00/9
1900221	C	T	True	4	1.0	0.0	1.0	True	True	1.00/5		0.00/4	0.00/8	0.00/7	1.00/3	1.00/5	1.00/4	1.00/6
1900223	C	T	False	4	1.0	0.0	1.0	True	True	1.00/5		0.00/4	0.00/8	0.00/7	1.00/3	1.00/5	1.00/4	1.00/6