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
77381272	A	C	False	1	0.0	0.045	0.0	False	False	0.00/15	0.00/11	0.00/14	0.00/11	0.25/8	0.00/18	0.00/7	0.00/7	0.00/7
77381275	T	C	False	1	0.0	0.045	0.0	False	False	0.00/15	0.00/11	0.00/15	0.00/11	0.29/7	0.00/18	0.00/7	0.00/8	0.00/7
77381296	C	G	False	1	0.0	0.0	0.056	False	False	0.00/6	0.00/3	0.00/11	0.00/8	0.00/4	0.00/8	0.00/3	0.00/3	0.25/4
77381319	C	G	True	1	0.0	0.0	0.05	False	False	0.00/7	0.00/3	0.00/11	0.00/8	0.00/4	0.00/7	0.00/5	0.25/4	0.00/4
77381337	C	A	False	1	0.25	0.0	0.0	False	False	0.25/8	0.00/3	0.00/10	0.00/7	0.00/4	0.00/7	0.00/6	0.00/4	0.00/4
77381370	T	A	False	6	0.5	0.234	0.564	False	False	0.50/14	0.10/10	0.20/15	0.38/16	0.17/6	0.70/10	0.57/7	0.62/13	0.33/9