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loantlbt
2 năm trước
Đem lai F1 có kiểu gen giống nhau với hai cây khác nhau. kết quả thu được: PL1: F1 X cây thứ nhất => f2. 2 cao : 1 thấp PL2: F1 x cây thứ hai=> f2 . 309 cao: 101 thấp Giải thích kết quả của PL trên? Giúp e vs ạ
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