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
50221130	C	A	False	1	0.25	0.0	0.0	False	False	0.25/4	0.00/4	0.00/3	0.00/6	0.00/6	0.00/5	0.00/3	0.00/3	0.00/10
50221131	C	G	False	1	0.25	0.0	0.0	False	False	0.25/4	0.00/4	0.00/3	0.00/6	0.00/6	0.00/5	0.00/3	0.00/3	0.00/10
50221142	C	T	False	7	1.0	0.556	0.789	False	True	1.00/4	0.50/4	0.75/4	0.40/5	0.60/5	0.75/4	1.00/2	1.00/3	0.70/10
50221172	G	A	True	7	0.5	0.343	0.737	False	True	0.50/8	0.11/9	0.60/10	0.20/10	0.50/6	0.70/10	0.70/10	0.67/9	0.89/9
50221221	A	G	False	1	0.143	0.12	0.067	False	False	0.14/14	0.25/8	0.00/12	0.15/20	0.10/10	0.00/15	0.09/11	0.20/5	0.07/14
50221222	C	T	False	6	1.0	0.389	0.846	False	True	1.00/4	0.50/4	0.25/4	0.38/8	0.50/2	1.00/2	1.00/4		0.71/7