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
18747217	C	A	False	1	0.0	0.026	0.182	False	False	0.00/10	0.00/7	0.00/11	0.00/14	0.17/6	0.15/13	0.23/13	0.10/10	0.25/8
18747243	T	A	False	4	0.333	0.0	0.267	False	False	0.33/15	0.00/6	0.00/9	0.00/13	0.00/5	0.30/10	0.38/13	0.10/10	0.25/12
18747248	T	A	False	1	0.278	0.0	0.0	False	False	0.28/18	0.00/6	0.00/9	0.00/16	0.00/6	0.00/12	0.00/14	0.00/10	0.00/12
18747307	A	T	False	1	0.412	0.0	0.0	False	False	0.41/17	0.00/5	0.00/7	0.00/14	0.00/6	0.00/8	0.00/12	0.00/12	0.00/6