sau đây là kết quả ghi chép Từ ba phép lai khác nhau. phép lai 1:P đậu thân cao lai vs đậu thân cao. phép lai 2: P đậu thân cao lai vs đậu thân thấp.f1 thu đc 120 cây đều thân cao Phép lai 3:P đậu thân cao lai vs đậu thân thấp. F1 thu được 61 cây thân cao Và 51 cây thân thấp Cho biết tính trạng thân cao là trội so vs tính trạng thân thấp. Hãy biện luận Và lập sơ đồ lai cho biện luận trên

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