PEDIGREE,EGO,FA,MO,SEX,MZTWIN 1,MGF,0,0,1,0 1,MGM,0,0,2,1 1,PGF,0,0,1,1 1,PGM,0,0,2,0 1,F,PGF,MGF,1,0 1,M,MGF,MGM,2,0 1,1,F,M,1,0 1,2,F,M,2,4 1,3,F,M,2,4 1,4,F,M,1,0 DM,11,20,0,1,0 DM,12,0,0,2,0 DM,17,11,12,1,0 DM,13,11,12,2,0