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
18747307	A	T	False	1	0.412	0.0	0.0	False	False	0.41/17	0.00/5	0.00/7	0.00/14	0.00/6	0.00/8	0.00/12	0.00/12	0.00/6
18747379	A	C	False	1	0.316	0.0	0.0	False	False	0.32/19	0.00/5	0.00/7	0.00/7	0.00/6	0.00/5	0.00/12	0.00/5	0.00/5