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
74952737	C	T	True	1		0.286	0.0	False	True	0.00/3	0.33/3	0.00/1	0.50/4	0.17/6	0.00/3	0.00/3	0.00/1	0.00/3