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
4427844	C	A	False	1		0.0	0.043	False	False	0.00/3	0.00/6	0.00/5	0.00/3	0.00/6	0.25/4	0.00/3	0.00/5	0.00/11
4427845	C	G	False	1		0.0	0.043	False	False	0.00/3	0.00/6	0.00/5	0.00/3	0.00/6	0.25/4	0.00/3	0.00/5	0.00/11
4427860	G	T	False	2	0.0	0.583	0.5	False	False	0.00/5	0.33/3	0.50/2	0.80/5	0.50/2	1.00/5	0.00/3	0.33/3	0.00/1
4427869	C	A	False	1		0.0	0.074	False	False	0.00/3	0.00/7	0.00/5	0.00/5	0.00/7	0.00/5	0.25/4	0.00/6	0.08/12
4427871	C	G	False	1	0.0	0.042	0.037	False	False	0.00/4	0.00/7	0.00/5	0.00/5	0.14/7	0.00/5	0.25/4	0.00/6	0.00/12