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P lai với nhau được F1 . Cho F1 giao phối với nhau được F2 được 301 hạt vàng , vỏ trơn ; 100 hạt xanh , vỏ nhăn . a , Biện luận và viết sơ đồ lai từ F1 đến F2b , Cho F1 lai phân tích thì kết quả ở đời con F3 sẽ như thế nào ?
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