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
77347462	A	T	False	1	0.25	0.0	0.0	False	False	0.25/4	0.00/4	0.00/6	0.00/6	0.00/3	0.00/4	0.00/6	0.00/5	0.00/4
77347464	A	T	False	1	0.25	0.0	0.0	False	False	0.25/4	0.00/4	0.00/6	0.00/6	0.00/3	0.00/4	0.00/6	0.00/5	0.00/5
77347465	A	C	False	1	0.25	0.0	0.0	False	False	0.25/4	0.00/4	0.00/6	0.00/6	0.00/3	0.00/4	0.00/6	0.00/5	0.00/5
77347466	T	C	False	1	0.25	0.0	0.0	False	False	0.25/4	0.00/4	0.00/6	0.00/6	0.00/3	0.00/4	0.00/6	0.00/5	0.00/5
77347467	A	C	False	1	0.25	0.0	0.0	False	False	0.25/4	0.00/4	0.00/6	0.00/7	0.00/3	0.00/4	0.00/6	0.00/4	0.00/5
77347468	T	C	False	1	0.25	0.0	0.0	False	False	0.25/4	0.00/4	0.00/6	0.00/7	0.00/3	0.00/5	0.00/6	0.00/4	0.00/4