updated column names to new scheme

standardised-data-multiple-parents-2-mutations.csv

@@ -1,4 +1,4 @@
-ID_offspring,line_name,date_of_birth,ID_father_1,ID_father_2,ID_mother,ID_mother_2,sacrifice_reason,n_mutations,mutations,genotype_offspring,genotype_father_1,genotype_father_2,genotype_mother_1,genotype_mother_2
+ID_offspring,line_name,date_of_birth,ID_father_1,ID_father_2,ID_mother_1,ID_mother_2,sacrifice_reason,n_mutations,mutations,genotype_offspring,genotype_father_1,genotype_father_2,genotype_mother_1,genotype_mother_2
 ID-001,Line-AB,15/12/2025,ID-F1,ID-F2,ID-M1,ID-M2,End of experiment,2,Mut-A_Mut-B,het_hom,het_wt,wt_het,hom_het,het_wt
 ID-002,Line-AB,15/12/2025,ID-F1,ID-F2,ID-M1,ID-M2,End of experiment,2,Mut-A_Mut-B,hom_het,het_wt,wt_het,hom_het,het_wt
 ID-003,Line-AB,02/01/2026,ID-F3,ID-F4,ID-M3,,End of experiment,2,Mut-A_Mut-B,het_het,hom_wt,wt_hom,het_het,