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
18831018	T	A	False	4	0.056	0.0	0.469	False	False	0.06/160	0.00/11	0.00/13	0.00/18	0.00/7	0.57/23	0.62/29	0.30/30	0.42/31
18831028	C	T	False	5	0.958	0.0	0.786	True	True	0.96/118	0.00/8	0.00/11	0.00/17	0.00/7	0.63/19	0.95/21	0.76/21	0.78/23
18831029	G	T	False	1	0.333			False	False	0.33/6	0.00/1	0.00/1						
18831042	C	T	False	4	0.069	0.0	0.365	False	True	0.07/131	0.00/8	0.00/9	0.00/20	0.00/7	0.40/15	0.50/18	0.33/18	0.26/23
18831068	C	T	True	3	0.038	0.0	0.313	False	True	0.04/132	0.00/7	0.00/10	0.00/17	0.00/9	0.25/12	0.41/17	0.18/17	0.38/21
18831094	C	T	False	1	0.075	0.0	0.17	False	True	0.08/106	0.00/7	0.00/8	0.00/17	0.00/9	0.12/8	0.27/11	0.18/11	0.12/17
18831114	T	A	False	1	0.0	0.0	0.242	False	False	0.00/89	0.00/9	0.00/5	0.00/15	0.00/8	0.17/6	0.38/8	0.17/6	0.23/13