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
17538950	C	T	True	4	0.286	0.565	0.0	True	True	0.29/7	0.75/8	0.44/9	0.50/4	0.50/2	0.00/10	0.00/5	0.00/6	0.00/5
17538974	A	C	False	3	0.4	0.333	0.0	False	False	0.40/5	0.55/11	0.31/16	0.14/7	0.20/5	0.00/13	0.00/7	0.00/13	0.00/12
17538976	A	G	False	2	0.2	0.184	0.0	False	False	0.20/5	0.00/11	0.27/15	0.00/7	0.60/5	0.00/12	0.00/9	0.00/14	0.00/12