sample	treatment	genotype	geno_treat
M1	control	wt	control_wt
M2	control	wt	control_wt
M3	control	wt	control_wt
M4	spec	wt	spec_wt1
M5	spec	wt	spec_wt2
M6	spec	wt	spec_wt3
M7	control	gun1	control_gun1
M8	control	gun1	control_gun2
M9	control	gun1	control_gun3
M10	spec	gun1	spec_gun1
M11	spec	gun1	spec_gun2
M12	spec	gun1	spec_gun3