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
75863420	G	T	True	2		0.143	0.1	False	False		0.25/4			0.00/3	0.00/2	0.25/4	0.00/1	0.00/3