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
37919587	G	T	False	1	0.5	0.133	0.0	False	False	0.50/4	0.14/7	0.33/3	0.00/5		0.00/5	0.00/1	0.00/1	0.00/4
37919588	T	A	False	1	0.0	0.059	0.0	False	False	0.00/11	0.00/14	0.25/8	0.00/8	0.00/4	0.00/14	0.00/3	0.00/8	0.00/13
37919603	C	T	False	1	0.0	0.059	0.042	False	True	0.00/7	0.00/6	0.00/5	0.00/2	0.25/4	0.12/8	0.00/2	0.00/8	0.00/6
37919612	A	T	False	1	0.0	0.059	0.051	False	False	0.00/11	0.00/11	0.00/11	0.12/8	0.25/4	0.08/12	0.00/3	0.00/10	0.07/14
37919640	C	A	False	2	0.0	0.176	0.214	False	False	0.00/7	0.17/6	0.00/5	0.50/2	0.25/4	0.12/8	0.67/3	0.11/9	0.25/8
37919662	C	T	False	1	0.0	0.062	0.0	False	True	0.00/7	0.25/4	0.00/5	0.00/3	0.00/4	0.00/7	0.00/2	0.00/5	0.00/10