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
77403354	G	A	False	1		0.0	0.167	False	True	0.00/1	0.00/2	0.00/4	0.00/4	0.00/3	0.25/4	0.00/2	0.50/2	0.00/4
77403407	T	A	False	1		0.0	0.042	False	False	0.00/2	0.00/10	0.00/7	0.00/7	0.00/13	0.00/6	0.25/4	0.00/5	0.00/9
77403426	G	A	False	1		0.048	0.043	False	True	0.00/1	0.00/8	0.25/4	0.00/4	0.00/5	0.00/7	0.00/3	0.00/5	0.12/8