... 12:3:1 (A-B- = A-bb) aaB- aabb thuc t l 12:3:1 - Tng tỏc ỏt ch gen tri hỡnh thnh KH: 13:3 (A-B- = A-bb = aabb) aaB- thuc t l 13:3 - Tng tỏc ỏt ch gen ln hỡnh thnh KH: 9:3:4 A-B- aaB- (A-bb = ... Gii: Bc 1: Tớnh tn s TC kộp - ABC+abc=0,3x0,2=0,06 => ABC=abc=0,03 Bc 2: Tớnh fn A-B - fTC A-B= fn A-B+fkộp=> fn A-B=0, 3-0 ,06=0,24 => ABc=abC=0,12 - fTC B-C= fn B-C+fkộp=> fn B-C=0, 2-0 ,06=0,14 ... tỏc gen: + Tng tỏc b tr cú t l KH: 9:3:3:1; 9:6:1; 9:7 - Tng tỏc b tr gen tri hỡnh thnh KH: 9:3:3:1 A-B- A-bb aaB- aabb thuc t l: 9:3:3:1 - Tng tỏc b tr gen tri hỡnh thnh KH: 9:6:1 A-B- (A-bb...