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
1874601	T	G	False	1		0.0	0.059	False	False	0.00/2	0.00/8	0.00/9	0.00/13	0.00/4	0.00/7	0.00/3	0.25/4	0.00/3
1874602	A	G	False	1		0.0	0.059	False	False	0.00/2	0.00/8	0.00/10	0.00/13	0.00/4	0.00/7	0.00/3	0.25/4	0.00/3
1874635	A	G	False	4		0.0	0.474	False	False	0.50/2	0.00/9	0.00/11	0.00/11	0.00/7	0.50/6	0.50/4	0.40/5	0.50/4
1874647	G	A	True	0		0.0	1.0	True	True	1.00/1	0.00/3	0.00/4	0.00/2		1.00/3	1.00/2	1.00/2	1.00/2
1874650	C	G	False	1		0.036	0.083	False	False	0.33/3	0.00/5	0.00/8	0.00/8	0.14/7	0.25/4	0.00/3	0.00/3	0.00/2