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buithienhuu1999
2 năm trước
Ở một loài thực vật, gen A quy định quả tròn trội hoàn toàn so với alen a quy định quả dài. Xét một nhóm cây (P) gồm 5 cây có kiểu gen AA và 3 cây có kiểu gen Aa. Cho các cây này tự thụ phấn, hãy xác định tỉ lệ kiểu gen và tỉ lệ kiểu hình ở F1.
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