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
16499380	C	T	True	7	0.4	0.529	1.0	False	True	0.40/5	0.25/4	1.00/2	0.43/7	0.75/4	1.00/4	1.00/3	1.00/7	1.00/4