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
17773965	A	T	False	1	0.0	0.044	0.0	False	False	0.00/14	0.00/12	0.00/19	0.10/10	0.25/4	0.00/19	0.00/18	0.00/16	0.00/14
17773969	G	T	False	1	0.0	0.231	0.03	False	False	0.00/12	0.20/10	0.28/18	0.11/9	0.50/2	0.00/16	0.00/18	0.00/20	0.17/12
17774032	C	A	False	2	0.143	0.278	0.214	False	False	0.14/7	0.17/6	0.50/2	0.40/5	0.20/5	0.25/4	0.00/1	0.17/6	0.33/3