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ctvloga141
2 năm trước
ở cà chua :gen A qđ thân cao trội hoàn toàn so vs gen a qđ thân thấp, gen B qd quả đỏ trội hoàn toàn so vs gen b qđ quả vàng - cho cây thuần chủng có thân cao quả đỏ giao phối vs cây có thân thấp , hạt vàng thu đc F1.tiếp tục giao phối vs nhau hãy lập sđl từ P để xác định tỉ lệ kg vad tỉ lệ kh của F2.bt rằng 2 cặp tính trạng về chiều cao của cây về màu di truyền độc lập vs nhau
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