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
18831779	G	A	False	1	1.0	0.0	0.556	True	True	1.00/4	0.00/2	0.00/2	0.00/2	0.00/3	0.67/3		0.33/3	0.67/3
18831781	T	C	False	1	0.0	0.059	0.0	False	False	0.00/4	0.00/4	0.00/3	0.25/4	0.00/6	0.00/7	0.00/3	0.00/7	0.00/4
18831793	T	C	False	2	0.0	0.0	0.391	False	False	0.00/5	0.00/4	0.00/2	0.00/5	0.00/6	0.25/8	1.00/3	0.43/7	0.20/5
18831802	G	A	False	3	1.0	0.0	0.667	False	True	1.00/5	0.00/2		0.00/2	0.00/3	0.75/4		0.33/3	0.80/5
18831803	T	C	False	1	0.0	0.067	0.0	False	False	0.00/5	0.25/4	0.00/1	0.00/4	0.00/6	0.00/8	0.00/4	0.00/7	0.00/7
18831808	T	G	False	3	1.0	0.0	0.32	False	False	1.00/6	0.00/6	0.00/1	0.00/4	0.00/7	0.38/8	0.00/4	0.14/7	0.67/6
18831826	C	T	True	2		0.0	0.714	True	True		0.00/3	0.00/1	0.00/3	0.00/3	0.60/5	1.00/3	0.75/4	0.50/2