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
18830650	C	T	False	2	0.179	0.0	0.213	False	True	0.18/196	0.00/4	0.00/16	0.00/10	0.00/12	0.10/30	0.26/31	0.31/29	0.19/32
18830668	T	C	False	5	0.651	0.04	0.573	True	False	0.65/209	0.00/5	0.00/19	0.14/14	0.00/12	0.55/29	0.71/24	0.59/27	0.47/30
18830669	A	G	False	5	0.614	0.04	0.577	True	False	0.61/207	0.00/5	0.00/19	0.14/14	0.00/12	0.53/30	0.73/26	0.60/25	0.47/30
18830676	C	T	True	1	0.103	0.0	0.221	False	True	0.10/214	0.00/5	0.00/17	0.00/13	0.00/12	0.29/28	0.23/31	0.22/27	0.15/27
18830677	G	T	True	0	0.0		0.5	False	False	0.00/5			0.00/1		0.00/1	0.00/1		1.00/2
18830689	G	T	False	1	0.8			False	False	0.80/5			0.00/1			1.00/1		1.00/2
18830717	T	C	False	1	0.007	0.022	0.0	False	False	0.01/285	0.25/4	0.00/17	0.00/13	0.00/11	0.00/41	0.00/37	0.00/32	0.00/46