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
18829628	A	T	False	1	0.25	0.0	0.027	False	False	0.25/4	0.00/10	0.00/6	0.00/11	0.00/6	0.14/7	0.00/7	0.00/9	0.00/14
18829643	T	C	False	1		0.03	0.0	False	False	0.00/2	0.00/11	0.00/6	0.00/12	0.25/4	0.00/5	0.00/7	0.00/6	0.00/13
18829660	C	T	True	3		0.0	0.556	True	True	1.00/1	0.00/5	0.00/5	0.00/8	0.00/1	0.00/2	1.00/6	0.50/4	0.33/6
18829680	A	C	False	3		0.0	0.618	True	False	1.00/3	0.00/11	0.00/6	0.00/14	0.00/6	0.20/5	0.92/13	0.60/5	0.45/11
18829704	T	C	False	3		0.0	0.625	True	False	1.00/3	0.00/12	0.00/5	0.00/13	0.00/6	0.33/3	0.92/12	0.40/5	0.50/12