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
53660915	A	T	False	6	0.0	0.258	0.969	True	False	0.00/11	0.29/7	0.00/7	0.50/12	0.00/5	1.00/11	0.80/5	1.00/10	1.00/6
53660960	G	A	True	5	0.125	0.238	1.0	True	True	0.12/8	0.33/6	0.00/5	0.50/6	0.00/4	1.00/10	1.00/3	1.00/5	1.00/5
53660966	A	T	False	6	0.091	0.308	1.0	True	False	0.09/11	0.50/4	0.17/6	0.50/10	0.00/6	1.00/11	1.00/6	1.00/8	1.00/6
53660978	G	C	False	1	0.0	0.0	0.045	False	False	0.00/7	0.00/5	0.00/7	0.00/4	0.00/5	0.00/9	0.00/4	0.25/4	0.00/5